原始 JSON 报告 机器可读
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"body": "…explicit (#788)\n\nFor compatibility with lean 4. See https://leanprover.zulipchat.com/#narrow/stream/287929-mathlib4/topic/list.2Etraverse/near/313206118",
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"headline": "fix(frontends/lean/definition_cmds): put auto-bound universes before …",
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"body": "As [reported on Zulip](https://leanprover.zulipchat.com/#narrow/stream/287929-mathlib4/topic/11-20.20nightly.20mathlib3port/near/311686177).",
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"headline": "fix: push null using_well_founded node after `:=` (#787)",
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"headline": "chore(*): release 3.49.1 (#786)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-11-18T17:02:04Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "cb0da9f301ab2b85d8d96847c41b92d973a7b151",
"body": "…node (#784)\n\nTurns out that the ast.json export has been broken this whole time in ignoring definitions which use `using_well_founded`. cc: @gebner , can we get a point release out with this bugfix?",
"is_bot": false,
"headline": "fix(frontends/lean/definition_cmds): export `using_well_founded` AST …",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-11-18T06:22:58Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "cd2d62882160de729619fc68c92a57b5e9d0e968",
"body": "…ion constructor arguments (#783)\n\n\r\nThese are useful for documentation and generating recursive definitions.",
"is_bot": false,
"headline": "chore(library/init/meta/declaration): give explicit names to declarat…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-11-17T00:45:55Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "4a03bdeb31b3688c31d02d7ff8e0ff2e5d6174db",
"body": "… (#782)\n\nThis isn't exhaustive, but converts the majority.\r\nIt also does not check that the comments have reasonable markdown formatting.",
"is_bot": false,
"headline": "chore(library/init): convert `/-` comments to `/--` or `/-!` comments…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-11-16T23:31:31Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "757879d7057dc5d245cdfb93775fa08050275577",
"body": "Previously these used the notation definition (the RHS of the `:=`) rather than the matched expression. This usually doesn't work at all, since often the RHS is just `#0` and all the notation happens within the `scoped` block.\r\n\r\nThis affected a lot of mathlib notation; `Exists`/`infi`/`supr`/`filter.eventually`/`filter.frequently`/...\r\n\r\nI don't know if this used to work and then we broke it, or if it's always been broken.",
"is_bot": false,
"headline": "fix(frontends/lean/pp): correct binder links (#781)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-11-15T05:11:49Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "acf633e01a8783a12060b0a1b7b5b5e15fd73e77",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.49.0 (#780)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-11-11T19:37:39Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "0af1f3255a4aeb9b354e6f2bfe6e69edd86ec8e4",
"body": "This is a dead end that should never have been in core. Even now I think these definitions aren't used in mathlib at all. `combinator.K` did get one use in constructing constant closures, used by `exceptional.exception`, but `function.const` is a drop-in replacement that is already used for other things.",
"is_bot": false,
"headline": "chore(init/core): remove combinator.{I,K,S} (#775)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-11-11T18:50:39Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "d150555cde9562a2b84e884634ced0eb1da24978",
"body": "This uses `U+E003` (the next available private use character after the ones claimed in #89) to prefix the names:\r\n\r\n* `pi`\r\n* `forall`\r\n* `function`\r\n* `implies`\r\n* `Sort`\r\n* `Prop`\r\n* `Type`\r\n\r\nThe motivation is to be able to link these ideas in doc-gen.",
"is_bot": false,
"headline": "feat: extend `pp.links` to support Pi, Prop, Type, and Sort (#778)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-11-11T18:07:23Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "c2bcdbcbe741ed37c361a30d38e179182b989f76",
"body": "… (#779)\n\nCo-authored-by: Scott Morrison <scott.morrison@gmail.com>",
"is_bot": false,
"headline": "feat(init/algebra/order): backport Lean 4 definitions for min and max…",
"author_name": "Scott Morrison",
"author_login": "kim-em",
"committed_at": "2022-11-11T07:33:15Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "fc13c8c72a15dab71a2c2b31410c2cadc3526bd7",
"body": "When porting `init/propext.lean` to mathlib4, I deleted two theorems that seem to not be used, and which collided with theorems with the same names in Lean 4. To prevent accident future use, I'm deleting these here too. (Subject to CI...)\n\nCo-authored-by: Scott Morrison <scott.morrison@gmail.com>",
"is_bot": false,
"headline": "chore: remove unused theorems, to match port to mathlib4 (#774)",
"author_name": "Scott Morrison",
"author_login": "kim-em",
"committed_at": "2022-10-19T04:27:53Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "569fa1a97c0a3d52ccd7286c659e42bbba8eb006",
"body": "…nstructors (#773)\n\nThis means that the auto-generated match expressions do not include `ᾰ`.",
"is_bot": false,
"headline": "chore(library/init/meta/expr): name the arguments to the remaining co…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-10-03T17:33:31Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "3bbe26994e612b20921300c18853c1e77aad8b2d",
"body": null,
"is_bot": false,
"headline": "doc(library/init/coe): fix markdown (#766)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-09-05T11:13:36Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "283f6ed8083ab4dd7c36300f31816c5cb793f2f7",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.48.0 (#762)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-08-30T11:07:25Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "3626c1e18e15a96099f9d639e2e0a719273f25ef",
"body": null,
"is_bot": false,
"headline": "feat(init/data/fin/basic): make `fin` a structure (#761)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-08-30T09:51:25Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "4f9b974353ea684c98ec938f91f3a526218503ed",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.47.0 (#760)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-08-25T18:36:40Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "ab42dbae5df26bd6836ce2bad87f6ed05a2b188e",
"body": "Addendum to #754. The underlying issue in https://github.com/leanprover-community/lean/pull/754#issuecomment-1224998590 was that the `.olean` files did not serialize the notation names, so although everything works in a single-session `lean --make` call, if you try to do it in multiple passes the read-in `.olean` files will not have the notation names and will cause a conflict.\r\n\r\nThis changes the olean format, but AFAIR there is no olean version or anything to bump.",
"is_bot": false,
"headline": "fix(frontends/lean/parser_config): serialize notation names (#759)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-08-25T17:03:11Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "f2b2beefe2e9ab200d23e1c99dc20879eb32e9fa",
"body": "This backports a number of features from the Lean 4 field notation (\"dot notation\") and fixes a couple of bugs.\r\n\r\n* Field notation not in a function application position (i.e., `x.f` instead of `x.f a b c`) now uses the general resolution procedure rather than a stripped-down one that is unaware of\n[…]\nof dot notation for terms with `has_coe_to_fun` instances. It is not currently compatible with Lean 4. (Note that, when paired with the new aliases feature, this feature allows for extension methods.)",
"is_bot": false,
"headline": "feat(frontends/lean/elaborator): backport Lean 4 field notation (#757)",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-08-25T16:23:53Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "141b46bdb655e30a3e0145033b907a955e7496a4",
"body": "… same name (#758)\n\nAddendum to #754. This makes it legal to write:\r\n```lean\r\nlocal notation `foo`:20 := nat\r\nlocal notation `foo`:20 := nat\r\n```\r\nIt only works if the notations are exactly the same - if they resolve to different expressions, or use different syntax, then the names must be different\n[…]\n` to get other things in the `foo` locale. These all end up putting the same local notation in scope twice, and even if you name the notation inside the `localized` string it will still be a conflict.",
"is_bot": false,
"headline": "feat(frontends/lean/notation_cmd): allow duplicate notations with the…",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-08-24T18:26:39Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "aa845d1a0acb3327cb1e77b948ab4b0b3f1e70fc",
"body": null,
"is_bot": false,
"headline": "feat(frontends/lean/parser.cpp): store command end pos (#756)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-08-24T11:59:32Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "4b58f26becf336a50cf037c3e2894b6f2938956e",
"body": "…by_cases` (#755)\n\n`if h : x then f else false.elim _` is the same as `f`.\r\nThis means we can drop the `decidable q` argument.\r\n\r\nA docstring is also added, but the behavior it describes has not changed.",
"is_bot": false,
"headline": "chore(library/init/logic): remove an unnecessary case split from `or.…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-08-17T18:37:44Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "31f3a46d7c18d6b2255a72df4f9d62644145d83b",
"body": "…x (#754)\n\nThis is an attempt to solve the issues in leanprover-community/mathport#158 once and for all. The main new user-facing behavior is that notations have names, and if you have an overlapping name the definition is rejected. That means that the following is now rejected:\r\n```lean\r\nnotation `\n[…]\n\r\nend\r\nlocal notation (name := foo) `foo` := nat\r\n```\r\n\r\nReserved notations do not have names / do not cause name conflicts with regular notations, although you are syntactically allowed to name them.",
"is_bot": false,
"headline": "feat(frontend/lean/notation_cmds.cpp): `notation (name := ...)` synta…",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-08-17T14:51:48Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "741670c439f1ca266bc7fe61ef7212cc9afd9dd8",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.46.0 (#753)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-08-08T09:48:53Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "0e3d6a3710f4f309f8386db64cb0b70f8bde40d2",
"body": null,
"is_bot": false,
"headline": "doc(algebra/classes): add docstrings (#747)",
"author_name": "Violeta Hernández",
"author_login": "vihdzp",
"committed_at": "2022-08-08T09:03:37Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "a5443f6ed414e8f644bd6c0bddbfb09ee66a88e6",
"body": "Fixes a segfault in mathlib due to stack overflow, [reported on Zulip](https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Tactic.20regression.20tests.20via.20mathport/near/292324800). (For reasons unknown, this doesn't just throw a stack overflow exception instead of segfaulting: it actually terminates correctly. Does `check_system` do some split stack shenanigans? It seems like it should be disabled.)",
"is_bot": false,
"headline": "fix(library/tlean_exporter): add recursion guard (#752)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-08-08T07:21:53Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "3526539070ea6268df5dd373deeb3ac8b9621952",
"body": "…t_total_order` (#746)\n\nCurrently in mathlib, we have the [`is_strict_total_order'`](https://leanprover-community.github.io/mathlib_docs/order/rel_classes.html#is_strict_total_order') class. This is mathematically the same as [`is_strict_total_order`](https://leanprover-community.github.io/mathlib_d\n[…]\nal classes for a short while. There shouldn't be significant breakage, as the unprimed class sees almost no use in `mathlib`. After that, I'll do a separate refactor to remove the redundant typeclass.",
"is_bot": false,
"headline": "refactor(algebra/classes): remove redundant assumption from `is_stric…",
"author_name": "Violeta Hernández",
"author_login": "vihdzp",
"committed_at": "2022-07-15T08:24:26Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "22b09be35ef66aece11e6e8f5d114f42b064259b",
"body": "Co-authored-by: Eric Wieser <wieser.eric@gmail.com>",
"is_bot": false,
"headline": "chore(*): release 3.45.0 (#745)",
"author_name": "Eric Wieser",
"author_login": "EdAyers",
"committed_at": "2022-07-13T19:15:15Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "a17a1922c334180fca768604b2ac6735ee8d0916",
"body": "…n serialization (#743)\n\nThe original code for reading integers from the json would truncate large integers. This now ensures that no precision is lost converting between the `json` C++ API and the lean API.\r\nThis now also uses `uint64_t` or `int64_t` to write Lean integers into json if possible, ch\n[…]\n.\r\n\r\nThis also adds a `json.decidable_eq` instance, since it's useful in the tests and I needed it in downstream tests too.\r\n\r\nAlternative to #740.\n\nCo-authored-by: Eric Wieser <wieser.eric@gmail.com>",
"is_bot": false,
"headline": "fix(library/vm/vm_json): avoid overflow and maximize precision in jso…",
"author_name": "Eric Wieser",
"author_login": "EdAyers",
"committed_at": "2022-07-13T16:00:25Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "84516f92535ad71672a7c074e103ba62ba6acca2",
"body": "… al (#744)\n\n[As reported on Zulip.](https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/comments.20highlighted.20in.20VSCode/near/289321656)",
"is_bot": false,
"headline": "fix(frontends/lean/builtin_cmds): use correct end pos for `#check` et…",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-07-13T06:37:14Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "9dc6b1ea9d64cb163b0a0c371622887d32e6792f",
"body": "The behavior before this change was:\r\n```lean\r\n#eval native.float.of_nat 0x100000000 -- 0\r\n#eval native.float.of_int 0x100000000 -- 0\r\n#eval (0x100000000 : native.float).floor -- -2147483648\r\n#eval (0x100000000 : native.float).ceil -- -2147483648\r\n#eval (0x100000000 : native.float).round -\n[…]\ny when writing functions which are generic over numeric types.\r\n* adds a much larger family of `mk_vm_int` functions with more appropriate overloads.\r\n\r\nI can split these into separate PRs if desired.",
"is_bot": false,
"headline": "fix(library/vm/vm_{int,float}): fix overflow errors (#742)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-07-12T15:05:24Z",
"body_truncated": true,
"is_coding_agent": false
},
{
"oid": "5f580025563a3f6d5f3da83c1e3028ef79ffa40f",
"body": "…t>` and `is<int>` (#741)\n\nThis makes it easier to write downstream templates, and possible to use the `intXX_t` typedefs instead of the underlying types.\r\n\r\nThis also adds a constructors, `is`, and `get` methods for uint64 and int64 types.\r\nWe need those methods in order to correctly json-serialize integers between 32 and 64 bits.",
"is_bot": false,
"headline": "refactor(util/numerics/mpz): rename `get_int` and `is_int` to `get<in…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-07-11T22:02:59Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "a80f6406debdd09301adcca5cecaf9a02cb36cdb",
"body": "…739)",
"is_bot": false,
"headline": "fix(frontends/lean/structure_cmd): empty structures are structures (#…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-07-11T13:35:09Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "9d5adc6ab80d02bb2a0fd39a786aaeb1efd6fb01",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.44.1 (#737)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-06-27T10:11:30Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "c8a1a26c0aadd59403b5344aca9cedd28db2b077",
"body": "…re `eq` refl lemmas (#736)\n\nThis fixes a mistake in #723, where `iff` lemmas were invisibly translated to `eq` lemmas.\r\nThis meant that they were treated by simp as having higher priority, since it seems `eq` lemmas are always visited before `iff` lemmas, irrespective of priority.\r\n\r\nThis restores the old behavior by instead teaching `dsimp` how to handle `iff` lemmas.\r\nThis should make bumping mathlib easier.",
"is_bot": false,
"headline": "fix(tactic/simp_lemmas): do not treat `iff` refl lemmas as if they we…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-26T15:08:07Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "c9e1da24cae848e06f44bc501e4c7cf18f652552",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.44.0 (#735)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-06-24T12:50:04Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "55eb9e136bdd371cda99de29f9b8204de0ade573",
"body": "…` as refl lemmas (#723)",
"is_bot": false,
"headline": "feat(frontends/lean/definition_cmds): tag lemmas proved with `iff.rfl…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-24T10:52:07Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "e77a64739870401e78ef3294bb95b8733b900cba",
"body": "…d` explicit (#734)\n\nThis prevents typeclass inference treating the type as reducible and unfolding type synonyms; the test in this PR would enter a typeclass inference loop without this change.\r\n\r\nThe main side-effect here is that a lot of `[reflected X]`s in mathlib will have to be rewritten as `[reflected Type X]`.",
"is_bot": false,
"headline": "refactor(library/init/meta/expr): make the type argument to `reflecte…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-23T20:25:04Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "6e7b2a2d42c6783ef6b334c54d0524736c2a8d58",
"body": "As [reported on Zulip](https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/Sort.20is.20Prop).",
"is_bot": false,
"headline": "fix(lean/elaborator.cpp): reject `Sort` and suggest `Prop` (#732)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-06-23T13:17:59Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "f2a8bb2093e1d964cb8019551c7b9d5747709fb8",
"body": "See https://github.com/leanprover/vscode-lean/pull/305 for the payoff",
"is_bot": false,
"headline": "add support for listing symbols in a file (#724)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-15T15:29:40Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "fe72362673891c702d3ac9744f43f95ea7e5fbb9",
"body": "Introduces a function `io.unsafe_perform_io : io α → except io.error α`.\r\nIt is not possible to derive this from `tactic.unsafe_run_io` because\r\nthere is no `tactic_state.mk_empty`. The warnings about compiler\r\noptimisations have been moved from the `tactic.unsafe_run_io` docstring\r\nto `io.unsafe_perform_io`.",
"is_bot": false,
"headline": "feat: io.unsafe_perform_io (#730)",
"author_name": "Ed Ayers",
"author_login": "EdAyers",
"committed_at": "2022-06-15T10:10:14Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "c811f7ef551f83c6e8bbbb8f327ad7bc7ff39032",
"body": "See https://github.com/leanprover/vscode-lean/pull/306 for the payoff\r\n\r\nThis makes the decision that `def` vs `lemma` is a useless distinction, as many of the definitions generated by an inductive type are marked a `def`s even when morally they're a lemma.\r\n\r\nSimilarly, axioms are not given special treatment as the difference between `classical.choice` (an axiom) and `classical.some` (a lemma using that axiom) is unlikely to be of interest when autocompleting.",
"is_bot": false,
"headline": "feat(server): record symbol kinds in completion info (#727)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-14T14:26:37Z",
"body_truncated": false,
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"oid": "461ce8e4f54d19f673eeab6c4b2613893f8d6b5c",
"body": "…729)",
"is_bot": false,
"headline": "doc(library/init/meta/expr): Add a docstring for `reflected.subst` (#…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-13T20:03:06Z",
"body_truncated": false,
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{
"oid": "91a00bf8b8a39770202a1114b59001ca071489dd",
"body": "This makes it slightly easier to debug `lean` when run against a single `.lean` file.",
"is_bot": false,
"headline": "feat(.vscode): Add a debug configuration for vscode (#726)",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-06-10T18:40:05Z",
"body_truncated": false,
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{
"oid": "38b59111b2b4e6c572582b27e8937e92fc70ac02",
"body": "Make arguments to equivalences implicit and rename the corresponding lemmas according to the corresponding mathlib names:\r\n* `add_le_add_iff_le_right` → `add_le_add_iff_le_right`\r\n* `sub_le_sub_right_iff` → `sub_le_sub_iff_right`\r\n* `add_le_to_le_sub` → `le_sub_iff_right`",
"is_bot": false,
"headline": "chore(init/data/nat/lemmas): Turn implicit arguments to `↔` (#719)",
"author_name": "Yaël Dillies",
"author_login": "YaelDillies",
"committed_at": "2022-06-06T10:04:25Z",
"body_truncated": false,
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"oid": "8d7a5b1e728492e368ef48c790157ae49e636b31",
"body": "On request of @b-mehta.",
"is_bot": false,
"headline": "doc(init): Add note on `pair` (#717)",
"author_name": "Violeta Hernández",
"author_login": "vihdzp",
"committed_at": "2022-05-20T07:43:57Z",
"body_truncated": false,
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{
"oid": "bfce34363b0efe86e93e3fe75de76ab3740c772d",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.43.0 (#716)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-05-18T12:46:40Z",
"body_truncated": false,
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{
"oid": "ab343ab4edc491dbd02bed7b70295a0bb88be06f",
"body": "Moving to `mathlib`",
"is_bot": false,
"headline": "chore(library/init/data/set): drop `set.sUnion` (#675)",
"author_name": "Yury G. Kudryashov",
"author_login": "urkud",
"committed_at": "2022-05-18T12:12:20Z",
"body_truncated": false,
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"oid": "d532415db5f30eadf2737fe66c41d0bfda41ee7f",
"body": "This PR better clarifies what `acc` and `well_founded` mean (I found them quite cryptic for the longest time).",
"is_bot": false,
"headline": "doc(wf): Improve docs for `acc`, `well_founded` (#715)",
"author_name": "Violeta Hernández",
"author_login": "vihdzp",
"committed_at": "2022-05-17T19:50:27Z",
"body_truncated": false,
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{
"oid": "47aeedd9472197a461139a482577f4ff837396a6",
"body": "Uninstance `decidable_eq_of_decidable_le` and `decidable_lt_of_decidable_le`. Those mess up with decidability instances coming from `linear_order` and make `by_contra` (but not `by_contra'`) much slower.",
"is_bot": false,
"headline": "chore(init/algebra/order): Uninstance order decidability (#714)",
"author_name": "Yaël Dillies",
"author_login": "YaelDillies",
"committed_at": "2022-05-08T11:22:43Z",
"body_truncated": false,
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{
"oid": "ea504e5bce833057669f35a1ef68292ce1f033c8",
"body": "Mathlib has its own version of transitive closure as `relation.trans_gen`, so this commit removes the relatively unused version from core. The transitive closure of a well-founded relation is already in mathlib as `relation.well_founded.trans_gen`.\r\n\r\nCo-authored-by: Junyan Xu <junyanxu.math@gmail.com>",
"is_bot": false,
"headline": "refactor(library/init/logic): remove tc (#713)",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-05-08T10:51:41Z",
"body_truncated": false,
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{
"oid": "f722a688012753f6adbd57e3df7499d498d82945",
"body": "…p theorems (#712)\n\nThe error message for non-Prop theorems gives misleading advice -- you likely want to switch to using a `def` rather than adding `noncomputable`. This change also prevents the error from appearing if the type of the theorem contains `sorry`, since a user is likely in the process of editing the theorem and the `def`/`noncomputable` advice is unhelpful.",
"is_bot": false,
"headline": "fix(noncomputable, definition_cmds): better error message for non-Pro…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-05-02T08:40:49Z",
"body_truncated": false,
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{
"oid": "5d73a8759a8a15097cc06ad328672b65f6c74c09",
"body": "… to `local` command (#711)\n\nThe notation commands are supposed to reject modifiers/attrs/docstrings, but using them via the `local` command circumvents the check. This adds the check for `local` notations.",
"is_bot": false,
"headline": "fix(frontends/lean/builtin_cmds): add modifiers/attrs/docstring check…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-04-29T12:47:28Z",
"body_truncated": false,
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{
"oid": "5885f626d8db2f03abe21c45749d8e3995f0988e",
"body": "…ault_dec_tac` that `n < n.succ` (#710)\n\nThis feels like a \"trivial\" enough result to go in `trivial_nat_lt`",
"is_bot": false,
"headline": "feat(init/meta/well_founded_tactics): teach `well_founded_tactics.def…",
"author_name": "Eric Wieser",
"author_login": "eric-wieser",
"committed_at": "2022-03-31T09:09:05Z",
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"oid": "68455b087d87e9dc3f736da0de95807e05260460",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.42.1c (#707)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-24T13:33:36Z",
"body_truncated": false,
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{
"oid": "6e4c67e71566ea02dd0d5e50b3b92312d20ba681",
"body": "…he (#706)\n\nKudos to Gabriel for the pointer!",
"is_bot": false,
"headline": "fix(library/init/meta/async_tactic): make async aware of instance cac…",
"author_name": "Johan Commelin",
"author_login": "jcommelin",
"committed_at": "2022-03-23T11:34:08Z",
"body_truncated": false,
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{
"oid": "848cddb3efb06cdcc53dc46c3784c04a0d49fc8a",
"body": "* feat: export pretty-printed tactic states in ast\r\n\r\nThis small commit, in combination with the ast parsing in mathport, together make it straightforward to produce high-quality datasets of tactic applications.\r\n\r\n* chore: put tspp behind flag\r\n\r\n* perf: put tactic state ast export behind flag\r\n\r\n*\n[…]\ny\r\n\r\n@digama0 suggested something similar\r\nhttps://github.com/leanprover-community/lean/pull/702#discussion_r828763589\r\n\r\n* style: include <string>\r\n\r\n* fix: add pp to tactic-state summary after dedup",
"is_bot": false,
"headline": "feat: export pretty-printed tactic states (#702)",
"author_name": "Daniel Selsam",
"author_login": "dselsam",
"committed_at": "2022-03-23T11:13:36Z",
"body_truncated": true,
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{
"oid": "b35d4695da88139a9168f2ad7acf0782e66dc4f0",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.42.0c (#705)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-18T13:12:39Z",
"body_truncated": false,
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{
"oid": "44159e7516b9975c65a1c16e6f570dd7bac6c5a4",
"body": "…oncomputable (#704)\n\nThe noncomputability checker is meant to determine what can and cannot be VM compiled, and since theorems do not get VM compiled, non-Prop theorems should be noncomputable. This is more restrictive than necessary, but at least for mathlib every theorem must be Prop-valued to pass the linter anyway.\r\n\r\nThe noncomputability error messages are also somewhat improved.",
"is_bot": false,
"headline": "fix(noncomputable,definition_cmds): require non-Prop theorems to be n…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-18T11:28:01Z",
"body_truncated": false,
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{
"oid": "5b62a41dc8d3982ebd1ec6c243c185344c8e0e9b",
"body": "This adds a user-visible feature: the `noncomputable!` modifier. Definitions with this will not have their computability checked, will be marked noncomputable when added to the environment, and will not be VM compiled. Noncomputability modifiers interact with the `noncomputable theory` command in th\n[…]\nean 4 porting effort any more difficult.\r\n\r\nBehind the scenes, there is a little bit of cleanup, refactoring, and additional internal documentation.\n\nCo-authored-by: Mario Carneiro <di.gama@gmail.com>",
"is_bot": false,
"headline": "feat(modifiers): `noncomputable!` to force noncomputability (#703)",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-17T19:38:06Z",
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"body": null,
"is_bot": false,
"headline": "fix(library/module_mgr): use 64-bit hashes (#700)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-14T17:49:06Z",
"body_truncated": false,
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{
"oid": "541f0f84f10d171374671c243f592cf7d08a7514",
"body": "…n (#699)\n\nUsing the file name for private name generation is not deterministic and breaks caching because it includes the full path to the file.",
"is_bot": false,
"headline": "fix(library/private): do not use file name for private name generatio…",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-14T13:40:34Z",
"body_truncated": false,
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{
"oid": "154ac72f4ff674bc4486ac611f926a3d6b999f9f",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.41.0 (#698)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-11T09:37:45Z",
"body_truncated": false,
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{
"oid": "885390e749e617b3ace9cd5d33759bbccc609a43",
"body": "Adds the premise selection code from my 2019 leanhammer prototype, as presented at LT2020: https://www.andrew.cmu.edu/user/avigad/meetings/fomm2020/slides/fomm_ebner.pdf\r\n\r\nThis PR adds two separate selection algorithms. A simple one based on TF-IDF, and it also vendors the premise selection code from CoqHammer with bindings to make it accessible to meta code.",
"is_bot": false,
"headline": "feat: premise selection (#696)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-10T19:27:07Z",
"body_truncated": false,
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{
"oid": "3f09e617c8a441317c47a6d4c6f2ada26e8abeed",
"body": "…697)\n\nFixes #695.",
"is_bot": false,
"headline": "chore(library/equations_compiler/elim_match): better error message (#…",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-03-10T18:52:14Z",
"body_truncated": false,
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{
"oid": "d4c778a735728586516c42e2eecd1caaf2466bff",
"body": "…ous fields (#694)\n\nThis fixes an assertion error when compiling the most recent mathlib using a debug build of Lean.",
"is_bot": false,
"headline": "fix(heuristic_inst_name): give the heuristic name awareness of anonym…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-09T08:32:50Z",
"body_truncated": false,
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{
"oid": "4e04699a77fc9a0b5790c66ddef9016fd601ae30",
"body": "…ts after inductive type's parameters (#693)\n\nThis adds functionality to the noncomputability checker to skip arguments to a constructor that correspond to parameters for its corresponding inductive type. These have no computational relevance. This brings it more in line with `src/library/compiler/simp_inductive`, which only looks at computationally relevant arguments after the parameters. This also appears to be closer to Lean 4's behavior.",
"is_bot": false,
"headline": "feat(src/library/noncomputable): for constructors, only check argumen…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-08T09:13:11Z",
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{
"oid": "f98c2d64ded12e0913d2d01dc4b4ec700a0591c8",
"body": "There is an internal variable to control pretty printing of unary nats, but at some point it lost its own option and has been controlled by `pp.numerals`. This reintroduces an option.\r\n\r\nThis also makes the `pp.numeral_types` less confusing for unary nats, having them instead be displayed in exactly the same way as other numerals. This also means that if `nat` has the `pp_numeral_types` attribute then even unary nats will be displayed with a type ascription.",
"is_bot": false,
"headline": "feat(pp): add option to control pretty printing of unary nats (#692)",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-07T19:06:01Z",
"body_truncated": false,
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{
"oid": "1bf0e939079b8bdd1e05873a3ff3fc2789f1550f",
"body": "…merals (#691)\n\nThis provides a mechanism to cause the pretty printer to display type ascriptions when displaying numerals. They are shown either when the head of the type of the numeral has the `pp_numeral_type` attribute or when the `pp.numeral_types` option is set to `true`.\r\n\r\nFor example,\r\n```l\n[…]\nplayed without additional notation, to signal that this is not a numeral in normal `bit0`/`bit1` form.\r\n```lean\r\nset_option pp.numeral_types true\r\n#check nat.zero.succ.succ.succ\r\n-- (3 : nat) : ℕ\r\n```",
"is_bot": false,
"headline": "feat(pp): add option and attribute to display type ascriptions for nu…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-03T09:45:58Z",
"body_truncated": true,
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{
"oid": "966acfb6927616f3e0cce2fd59b607e9b38d38f9",
"body": "The LHS metavar check for rw occurred before symmetry (the `←`) was applied, leading to the bug where `rw ← h` might fail with \"rewrite tactic failed, lemma lhs is a metavariable\" but `rw h.symm` would succeed.\r\n\r\n---\r\n\r\nThe metavar check is there because it otherwise would give an unhelpful error m\n[…]\n\r\n14:3: rewrite tactic failed, did not find instance of the pattern in the target expression\r\n ?m_1\r\n```\r\nThis appears to be because `kabstract` searches for matches based on the head of the pattern.",
"is_bot": false,
"headline": "fix(src/library/tactic/rewrite_tactic): move LHS metavar check (#690)",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-03-02T09:44:04Z",
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"oid": "db98bf983ba3da2cf0756a695e50242a27ddb5f0",
"body": "…tic block (#689)\n\nThis supports being able to \"comment out\" parts of a tactic proof, which is useful during proof development when there are slow subproofs.\r\n\r\nFor example, to skip over the first subproof:\r\n```\r\nexample (p : Prop) : p ↔ p :=\r\nbegin\r\n split,\r\n sorry { intro h, assumption, },\r\n { intro h, assumption, },\r\nend\r\n```",
"is_bot": false,
"headline": "feat(library/init/meta/interactive): give `sorry` tactic ignored itac…",
"author_name": "Kyle Miller",
"author_login": "kmill",
"committed_at": "2022-02-22T19:22:46Z",
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{
"oid": "82216a493580a309a04b02c2b6eb5f82f0aef192",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.40.0 (#688)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-02-22T15:14:41Z",
"body_truncated": false,
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"oid": "7b76ec77b50e4c9a62cc9447fe19b449e342af2c",
"body": "… (#687)\n\nThis fixes a mismatch with mathport expectations on the names of foldl notations.",
"is_bot": false,
"headline": "fix(frontends/lean/parser_config.cpp): strip spaces in heuristic_name…",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-02-22T12:55:37Z",
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"body": null,
"is_bot": false,
"headline": "fix(init/meta/interactive): don't skip remainder in rw_hyp (#686)",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-02-22T09:22:56Z",
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{
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"headline": "chore(*): release 3.39.2 (#684)",
"author_name": "Gabriel Ebner",
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{
"oid": "96bafd6fefaabe38503a95f6e075948c7bdffba2",
"body": "I believe this PR fixes the regressions @gebner found at https://github.com/leanprover-community/mathport/pull/103#issuecomment-1032831801 I haven't run the full mathport pipeline with it though.",
"is_bot": false,
"headline": "fix: regression in ast constant names export (#683)",
"author_name": "Daniel Selsam",
"author_login": "oai-dselsam",
"committed_at": "2022-02-15T11:34:37Z",
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"oid": "c7baa791ca57b67fe1b08065951c4057052e6778",
"body": "…682)\n\nFixes #673",
"is_bot": false,
"headline": "fix(frontends/lean/pp.cpp): `pp_tagged` output for have statements (#…",
"author_name": "Mario Carneiro",
"author_login": "digama0",
"committed_at": "2022-02-11T09:31:28Z",
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{
"oid": "1781ded0d0062f40a7eaf3ead8dcbef4429c6321",
"body": null,
"is_bot": false,
"headline": "chore(*): release 3.39.1c (#680)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-02-08T14:12:00Z",
"body_truncated": false,
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{
"oid": "8fc314d2d9927270275bcbc1e383239b35bdbc0f",
"body": "See https://github.com/leanprover-community/mathport/issues/101\r\n\r\nI think it was Sebastian who originally suggested this approach of just recording the comments together with their range in the source file. In synport we can just add them back to the final syntax at the some appropriate place (see `Syntax.updateLeading`; we already record range information for pexprs).\r\n\r\ncc @digama0 @dselsam",
"is_bot": false,
"headline": "feat: record comments in ast (#679)",
"author_name": "Gabriel Ebner",
"author_login": "gebner",
"committed_at": "2022-02-08T12:18:42Z",
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"body": null,
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"headline": "chore(*): release 3.39.0 (#678)",
"author_name": "Gabriel Ebner",
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