version stringclasses 29
values | section stringclasses 29
values | text stringlengths 5 950 | date stringdate 2023-09-08 00:00:00 2025-04-03 00:00:00 | change_type stringclasses 2
values | is_breaking stringclasses 2
values | pr_number stringlengths 0 4 | files_changed listlengths 0 60 | source_url stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|
v4.19.0-rc2 | Language | #5182 makes functions defined by well-founded recursion use an | 2025-04-03 | Changed | False | 5182 | [
"src/Init/Core.lean",
"src/Init/Data/Array/Attach.lean",
"src/Init/Data/Array/Erase.lean",
"src/Init/Data/Array/Find.lean",
"src/Init/Data/Array/Lemmas.lean",
"src/Init/Data/Array/OfFn.lean",
"src/Init/Data/Array/Range.lean",
"src/Init/Data/Fin/Fold.lean",
"src/Init/Data/Vector/Attach.lean",
"src/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #5998 lets `omega` always abstract its own proofs into an auxiliary | 2025-04-03 | Changed | False | 5998 | [
"src/Lean/Data/Name.lean",
"src/Lean/Elab/Tactic/Omega/Frontend.lean",
"src/Lean/Elab/Term.lean",
"tests/lean/run/auxinvariable.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #6325 ensures that environments can be loaded, repeatedly, without | 2025-04-03 | Changed | False | 6325 | [
"releases_drafts/environment.md",
"src/Lean/Elab/Import.lean",
"src/Lean/Environment.lean",
"src/lake/Lake/Load/Lean/Elab.lean",
"tests/lean/ctor_layout.lean",
"tests/lean/run/instances.lean",
"tests/lean/run/instuniv.lean",
"tests/lean/run/meta1.lean",
"tests/lean/run/meta3.lean",
"tests/pkg/user... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7075 ensures that names suggested by tactics like `simp?` are not | 2025-04-03 | Changed | False | 7075 | [
"src/Lean/Elab/App.lean",
"src/Lean/Elab/MutualInductive.lean",
"src/Lean/Elab/Term.lean",
"src/Lean/LocalContext.lean",
"src/Lean/Meta/Basic.lean",
"src/Lean/MetavarContext.lean",
"src/Lean/ResolveName.lean",
"tests/lean/run/6706.lean",
"tests/lean/run/7073.lean",
"tests/lean/run/998.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7084 enables the elaboration of theorem bodies, i.e. proofs, to | 2025-04-03 | Changed | False | 7084 | [
"src/Lean/Elab/Command.lean",
"src/Lean/Elab/MutualDef.lean",
"src/Lean/Elab/PreDefinition/Main.lean",
"src/Lean/Elab/Tactic/AsAuxLemma.lean",
"src/Lean/Meta/CongrTheorems.lean",
"src/Lean/Meta/Eqns.lean",
"src/Lean/Meta/Match/MatchEqs.lean",
"src/Lean/MonadEnv.lean",
"src/Lean/ReservedNameAction.le... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7166 extends the notion of “fixed parameter” of a recursive function | 2025-04-03 | Changed | False | 7166 | [
"src/Lean/Elab/PreDefinition/FixedParams.lean",
"src/Lean/Elab/PreDefinition/Mutual.lean",
"src/Lean/Elab/PreDefinition/PartialFixpoint/Eqns.lean",
"src/Lean/Elab/PreDefinition/PartialFixpoint/Induction.lean",
"src/Lean/Elab/PreDefinition/PartialFixpoint/Main.lean",
"src/Lean/Elab/PreDefinition/Structural... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7247 makes generation of `match` equations and splitters compatible | 2025-04-03 | Changed | False | 7247 | [
"src/Lean/Attributes.lean",
"src/Lean/Environment.lean",
"src/Lean/Meta/Basic.lean",
"src/Lean/Meta/Match/MatchEqs.lean",
"src/Lean/Meta/Match/MatchEqsExt.lean",
"src/Lean/Modifiers.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7256 introduces the `assert!` variant `debug_assert!` that is | 2025-04-03 | Changed | False | 7256 | [
"src/Lean/Elab/BuiltinNotation.lean",
"src/Lean/Elab/Do.lean",
"src/Lean/Parser/Do.lean",
"src/Lean/Parser/Term.lean",
"src/lake/Lake/Config/LeanConfig.lean",
"src/lake/Lake/Config/LeanLib.lean",
"tests/lean/1021.lean.expected.out",
"tests/pkg/debug/Main.lean",
"tests/pkg/debug/lakefile.toml",
"te... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7261 ensures all equation, unfold, induction, and partial fixpoint | 2025-04-03 | Changed | False | 7261 | [
"src/Lean.lean",
"src/Lean/AddDecl.lean",
"src/Lean/Elab/PreDefinition/Mutual.lean",
"src/Lean/Elab/PreDefinition/PartialFixpoint/Induction.lean",
"src/Lean/Elab/PreDefinition/WF/Main.lean",
"src/Lean/Environment.lean",
"src/Lean/Meta/Basic.lean",
"src/Lean/Meta/CongrTheorems.lean",
"src/Lean/Meta/T... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7298 adds rewrites to bv_decide's preprocessing that concern | 2025-04-03 | Changed | False | 7298 | [
"src/Init/Data/BitVec/Lemmas.lean",
"src/Std/Tactic/BVDecide/Normalize/Bool.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7302 changes how fields are elaborated in the `structure`/`class` | 2025-04-03 | Changed | False | 7302 | [
"src/Lean/Elab/StructInst.lean",
"src/Lean/Elab/Structure.lean",
"src/Lean/PrettyPrinter/Delaborator/Builtins.lean",
"src/Lean/Structure.lean",
"tests/lean/diamond1.lean.expected.out",
"tests/lean/mvarAtDefaultValue.lean.expected.out",
"tests/lean/run/delabStructInst.lean",
"tests/lean/run/inductive_u... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | The entire collection of parents is processed, and all parent | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | For classes, every parent now contributes an instance, not just the | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | Default values are now processed according to the parent resolution | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | Default value omission for structure instance notation pretty printing | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | Now the elaborator generates a `_flat_ctor` constructor that will be | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | While elaborating fields, any metavariables whose type is one of the | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | #7304 fixes an issue where nested `let rec` declarations within | 2025-04-03 | Changed | False | 7304 | [
"src/Lean/Elab/MutualDef.lean",
"tests/lean/run/6927.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7309 fixes a bug where bv_decide's new structure support would | 2025-04-03 | Changed | False | 7309 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Structures.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/TypeAnalysis.lean",
"tests/bv_relation.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7312 implements proof term generation for `cooper_dvd_left` and its | 2025-04-03 | Changed | False | 7312 | [
"src/Init/Data/Int/Linear.lean",
"src/Init/Grind/Tactics.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Cooper.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7314 changes elaboration of `structure` parents so that each must be | 2025-04-03 | Changed | False | 7314 | [
"src/Lean/Elab/Structure.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7315 implements the Cooper conflict resolution in cutsat. We still | 2025-04-03 | Changed | False | 7315 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Cooper.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/SearchM.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Types.lean",
"src/Lean/Meta/Tactic/Grind/Arit... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7324 changes the internal construction of well-founded recursion, to | 2025-04-03 | Changed | False | 7324 | [
"src/Lean/Elab/PreDefinition/WF/Fix.lean",
"src/Lean/Meta/Match/MatcherApp/Transform.lean",
"tests/lean/run/issue7322.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7329 adds support to bv_decide for simple pattern matching on enum | 2025-04-03 | Changed | False | 7329 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/ApplyControlFlow.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Basic.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Enums.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/I... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7333 allows aux decls (like generated by `match`) to be generated by | 2025-04-03 | Changed | False | 7333 | [
"src/Lean/Elab/PreDefinition/WF/Fix.lean",
"src/Lean/Elab/PreDefinition/WF/GuessLex.lean",
"src/Lean/Elab/PreDefinition/WF/Main.lean",
"tests/lean/run/issue7332.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7335 modifies `elabTerminationByHints` in a way that the type of the | 2025-04-03 | Changed | False | 7335 | [
"src/Lean/Elab/PreDefinition/TerminationMeasure.lean",
"tests/lean/run/issue6531.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7339 implements cooper conflict resolution in the cutsat procedure. | 2025-04-03 | Changed | False | 7339 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DvdCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/LeCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7347 upgrades the CaDiCal we ship and use for bv_decide to version | 2025-04-03 | Changed | False | 7347 | [
"CMakeLists.txt",
"flake.lock",
"flake.nix",
"src/Lean/Elab/Tactic/BVDecide/Frontend/LRAT.lean",
"src/Std/Tactic/BVDecide/Syntax.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7348 ensures all equation and unfold theorem generators in core are | 2025-04-03 | Changed | False | 7348 | [
"src/Lean/Elab/PreDefinition/EqUnfold.lean",
"src/Lean/Elab/PreDefinition/Eqns.lean",
"src/Lean/Elab/PreDefinition/PartialFixpoint/Eqns.lean",
"src/Lean/Elab/PreDefinition/Structural/Eqns.lean",
"src/Lean/Elab/PreDefinition/WF/Unfold.lean",
"src/Lean/Meta/Eqns.lean",
"src/lean.mk.in",
"tests/lean/run/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7351 ensures cutsat does not have to perform case analysis in the | 2025-04-03 | Changed | False | 7351 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Types.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Util.lean",
"tests/lean/run/grind_cutsat_cooper.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7353 changes `abstractNestedProofs` so that it also visits the | 2025-04-03 | Changed | False | 7353 | [
"src/Lean/Meta/AbstractNestedProofs.lean",
"tests/lean/run/7353.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7355 fixes a bug in the `markNestedProofs` preprocessor used in the | 2025-04-03 | Changed | False | 7355 | [
"src/Lean/Meta/Tactic/Grind/MarkNestedProofs.lean",
"tests/lean/run/grind_mark_nested_proofs_bug.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7357 adds support for `/` and `%` to the cutsat procedure. | 2025-04-03 | Changed | False | 7357 | [
"src/Init/Data/Int/Linear.lean",
"src/Init/Grind/Norm.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DivMod.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/A... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7362 allows simp dischargers to add aux decls to the environment. | 2025-04-03 | Changed | False | 7362 | [
"src/Lean/Elab/Tactic/Simp.lean",
"src/Lean/Elab/Term.lean",
"tests/lean/run/issue7318.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7369 uses `let`-declarations for each polynomial occurring in a proof | 2025-04-03 | Changed | False | 7369 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Util.lean",
"tests/lean/run/grind_cutsat_cooper.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7370 simplifies the proof term due to the Cooper's conflict | 2025-04-03 | Changed | False | 7370 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7373 implements the last missing case for the cutsat procedure and | 2025-04-03 | Changed | False | 7373 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/Types.lean",
"tests/lean/run/grind_cutsat_diseq_cooper.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7381 refactors the AIG datastructures that underly bv_decide in order | 2025-04-03 | Changed | False | 7381 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"src/Std/Sat/AIG/Basic.lean",
"src/Std/Sat/AIG/CNF.lean",
"src/Std/Sat/AIG/Cached.lean",
"src/Std/Sat/AIG/CachedGates.lean",
"src/Std/Sat/AIG/CachedGatesLemmas.lean",
"src/Std/Sat/AIG/CachedLemmas.lean",
"src/Std/Sat/AIG/If.lean",
"src... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7387 uses `-implicitDefEqProofs` in `bv_omega` to ensure it is not | 2025-04-03 | Changed | False | 7387 | [
"src/Init/Tactics.lean",
"src/kernel/type_checker.cpp"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7390 makes bv_decide's preprocessing handle casts, as we are in the | 2025-04-03 | Changed | False | 7390 | [
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean",
"tests/lean/run/bv_relation.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7392 fixes an issue in the `grind` tactic when case splitting on | 2025-04-03 | Changed | False | 7392 | [
"src/Init/Grind/Util.lean",
"src/Lean/Meta/Tactic/Grind/Intro.lean",
"src/Lean/Meta/Tactic/Grind/Split.lean",
"tests/lean/run/grind_ite_split_issue.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7394 adds infrastructure necessary for supporting `Nat` in the cutsat | 2025-04-03 | Changed | False | 7394 | [
"src/Init/Data/Int.lean",
"src/Init/Data/Int/Linear.lean",
"src/Init/Data/Int/OfNat.lean",
"src/Init/Grind/Norm.lean",
"src/Lean/Expr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DivMod.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/LeCnstr.lean",
... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7396 fixes a bug in the cutsat model construction. It was searching | 2025-04-03 | Changed | False | 7396 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"tests/lean/run/grind_cutsat_upper_bug.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7397 ensures that `Poly.mul p 0` always returns `Poly.num 0`. | 2025-04-03 | Changed | False | 7397 | [
"src/Init/Data/Int/Linear.lean",
"tests/lean/run/grind_Poly_mul_0_bug.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7401 improves the cutsat model search procedure by tightening | 2025-04-03 | Changed | False | 7401 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DvdCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Types.lean",
"sr... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7407 adds rules for `-1#w * a = -a` and `a * -1#w = -a` to | 2025-04-03 | Changed | False | 7407 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7409 allows the use of `dsimp` during preprocessing of well-founded | 2025-04-03 | Changed | False | 7409 | [
"src/Init/Data/Array/Monadic.lean",
"src/Init/Data/List/Monadic.lean",
"src/Lean/Elab/PreDefinition/WF/Preprocess.lean",
"src/Lean/Meta/Tactic/Simp/Main.lean",
"tests/lean/run/issue7408.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7417 adds support for enum inductive matches with default branches to | 2025-04-03 | Changed | False | 7417 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Basic.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Enums.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/TypeAnalysis.lean",
"tests/lean/run/bv_enums.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7429 adds the BV_EXTRACT_FULL preprocessing rule from Bitwuzla to | 2025-04-03 | Changed | False | 7429 | [
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7431 changes the syntax of location modifiers for tactics like `simp` | 2025-04-03 | Changed | False | 7431 | [
"src/Init/Tactics.lean",
"src/Lean/Elab/Tactic/Location.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7436 adds simprocs that turn left and right shifts by constants into | 2025-04-03 | Changed | False | 7436 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7438 adds the EQUAL_CONST_BV_ADD and BV_AND_CONST rules to | 2025-04-03 | Changed | False | 7438 | [
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7441 adds the BV_CONCAT_CONST, BV_CONCAT_EXTRACT and ELIM_ZERO_EXTEND | 2025-04-03 | Changed | False | 7441 | [
"src/Init/Data/BitVec/Lemmas.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reflect.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reify.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Basic.lean",
"src/Std/Tactic/BVDecide/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7457 ensures info tree users such as linters and request handlers | 2025-04-03 | Changed | False | 7457 | [
"src/Init.lean",
"src/Init/System/IO.lean",
"src/Init/Task.lean",
"src/Lean/CoreM.lean",
"src/Lean/Elab/Command.lean",
"src/Lean/Elab/Frontend.lean",
"src/Lean/Elab/InfoTree/Main.lean",
"src/Lean/Elab/InfoTree/Types.lean",
"src/Lean/Elab/InfoTrees.lean",
"src/Lean/Language/Lean.lean",
"src/Lean/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7477 ensures that bv_decide doesn't accidentally operate on terms | 2025-04-03 | Changed | False | 7477 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Enums.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/IntToBitVec.lean",
"tests/lean/run/7475.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7480 adds the necessary rewrites for the Bitwuzla rules | 2025-04-03 | Changed | False | 7480 | [
"src/Init/Data/BitVec/Lemmas.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reflect.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reify.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Basic.lean",
"src/Std/Tactic/BVDecide/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7486 adds the BitVec.add_neg_mul rule introduced in #7481 to | 2025-04-03 | Changed | False | 7486 | [
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7491 achieves a speed up in bv_decide's LRAT checker by improving its | 2025-04-03 | Changed | False | 7491 | [
"src/Std/Sat/CNF/Literal.lean",
"src/Std/Tactic/BVDecide/LRAT/Internal/Actions.lean",
"src/Std/Tactic/BVDecide/LRAT/Internal/Assignment.lean",
"src/Std/Tactic/BVDecide/LRAT/Internal/Clause.lean",
"src/Std/Tactic/BVDecide/LRAT/Internal/Convert.lean",
"src/Std/Tactic/BVDecide/LRAT/Internal/Formula/Implement... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7494 implements support for `Nat` inequalities in the cutsat | 2025-04-03 | Changed | False | 7494 | [
"src/Init/Data/Int/Linear.lean",
"src/Init/Data/Int/OfNat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DvdCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/LeCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Nat.lean",
"src/Lean/Meta/Tac... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7495 implements support for `Nat` divisibility constraints in the | 2025-04-03 | Changed | False | 7495 | [
"src/Init/Data/Int/Linear.lean",
"src/Init/Data/Int/OfNat.lean",
"src/Lean/Meta/NatInstTesters.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DvdCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Nat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Proof.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsa... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7501 implements support for `Nat` equalities and disequalities in the | 2025-04-03 | Changed | False | 7501 | [
"src/Init/Data/Int/Linear.lean",
"src/Init/Data/Int/OfNat.lean",
"src/Init/Grind/Norm.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DivMod.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Nat.lean",
... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7502 implements support for `Nat` div and mod in the cutsat | 2025-04-03 | Changed | False | 7502 | [
"src/Lean/Expr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DivMod.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"tests/lean/run/grind_cutsat_nat_eq.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7503 implements support for `Nat.sub` in cutsat | 2025-04-03 | Changed | False | 7503 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Simp/BuiltinSimprocs/Int.lean",
"tests/lean/run/grind_cutsat_nat_eq.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7509 disables the `implicitDefEqProofs` simp option in the | 2025-04-03 | Changed | False | 7509 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/EmbeddedConstraint.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Enums.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/IntToBitVec.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Rewrite.lean",
"src/Lean/Elab/Tactic/BVDecide/Fron... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7510 ensures that `grind` can be used as a more powerful | 2025-04-03 | Changed | False | 7510 | [
"src/Init/Grind/Lemmas.lean",
"src/Lean/Meta/Tactic/Grind/Intro.lean",
"src/Lean/Meta/Tactic/Grind/Main.lean",
"src/Lean/Meta/Tactic/Grind/Util.lean",
"tests/lean/run/grind_exfalso.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7511 fixes two bugs in `simp +arith` that were preventing specific | 2025-04-03 | Changed | False | 7511 | [
"src/Lean/Meta/Tactic/Simp/Arith/Int/Simp.lean",
"src/Lean/Meta/Tactic/Simp/Main.lean",
"tests/lean/run/simp_arith_issues.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7512 adds missing normalization rules for `Nat` div and mod to the | 2025-04-03 | Changed | False | 7512 | [
"src/Init/Grind/Norm.lean",
"tests/lean/run/grind_cutsat_nat_eq.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7514 adds more missing normalization rules for `div` and `mod` to | 2025-04-03 | Changed | False | 7514 | [
"src/Init/Grind/Norm.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"tests/lean/run/grind_cutsat_tests.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7515 fixes another bug in `simp +arith`. This bug was affecting | 2025-04-03 | Changed | False | 7515 | [
"src/Init/Data/Nat/Linear.lean",
"src/Lean/Meta/Tactic/Simp/Arith.lean",
"src/Lean/Meta/Tactic/Simp/Arith/Nat/Simp.lean",
"src/Lean/Meta/Tactic/Simp/Arith/Util.lean",
"src/Lean/Meta/Tactic/Simp/Rewrite.lean",
"tests/lean/run/simpCnstr1.lean",
"tests/lean/run/simp_arith_issues.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7521 adds the equivalent of `Array.emptyWithCapacity` to the AIG | 2025-04-03 | Changed | False | 7521 | [
"src/Std/Sat/AIG/If.lean",
"src/Std/Sat/AIG/RefVec.lean",
"src/Std/Sat/AIG/RefVecOperator/Map.lean",
"src/Std/Sat/AIG/RefVecOperator/Zip.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Const.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Operations/Add.lean",
"src/Std/Tactic/B... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7527 adds the BV_EXTRACT_CONCAT_LHS_RHS, NORM_BV_ADD_MUL and | 2025-04-03 | Changed | False | 7527 | [
"src/Init/Data/BitVec/Lemmas.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"src/Std/Tactic/BVDecide/Normalize/BitVec.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7532 fixes the procedure for putting new facts into the `grind` | 2025-04-03 | Changed | False | 7532 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Var.lean",
"src/Lean/Meta/Tactic/Grind/Simp.lean",
"src/Lean/Meta/Tactic/Grind/Types.lean",
"tests/lean/run/grind_canon_insts.lean",
"tests/lean/run/grind_cutsat_div_mod.lean... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7536 implements support for `¬ d ∣ p` in the cutsat procedure. | 2025-04-03 | Changed | False | 7536 | [
"src/Init/Data/Int/Linear.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/DvdCnstr.lean",
"tests/lean/run/grind_cutsat_div_1.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7537 implements support for `Int.natAbs` and `Int.toNat` in the | 2025-04-03 | Changed | False | 7537 | [
"src/Init/Data/Int/OfNat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/EqCnstr.lean",
"tests/lean/run/grind_cutsat_nat_eq.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7538 fixes a bug in the cutsat model construction. It was not | 2025-04-03 | Changed | False | 7538 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"tests/lean/run/grind_cutsat_nat_dvd.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7540 adds `[grind cases eager]` attribute to `Subtype`. See new test. | 2025-04-03 | Changed | False | 7540 | [
"src/Init/Grind/Cases.lean",
"tests/lean/run/grind_cutsat_auto.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7551 changes `isNatCmp` to ignore optional arguments annotations, | 2025-04-03 | Changed | False | 7551 | [
"src/Lean/Elab/PreDefinition/WF/GuessLex.lean",
"tests/lean/run/7458.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7553 removes a bad normalization rule in `grind`, and adds a missing | 2025-04-03 | Changed | False | 7553 | [
"src/Init/Grind/Norm.lean",
"src/Lean/Meta/Tactic/Simp/BuiltinSimprocs/Int.lean",
"tests/lean/run/grind_cutsat_nat_dvd.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7560 ensures that we use the same ordering to normalize linear `Int` | 2025-04-03 | Changed | False | 7560 | [
"src/Lean/Meta/Tactic/Simp/Arith/Int/Basic.lean",
"tests/lean/run/grind_cutsat_nat_dvd.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7561 fixes the support for nonlinear `Nat` terms in cutsat. For | 2025-04-03 | Changed | False | 7561 | [
"src/Init/Data/Int/OfNat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Nat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Var.lean",
"src/Lean/Meta/Tactic/Grind/Simp.lean",
"tests/lean/run/grind_canon_insts.lean",
"tests/lean/run/grind_cutsat_nat_dvd.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7579 improves the counterexamples produced by the cutsat procedure, | 2025-04-03 | Changed | False | 7579 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Model.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Search.lean",
"src/Lean/Meta/Tactic/Grind/PP.lean",
"tests/lean/run/grind_cutsat_div_mod.lean",
"tests/lean/run/grind_cutsat_nat_eq.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7615 adds the ADD part of bitwuzlas BV_EXTRACT_ADD_MUL rule to | 2025-04-03 | Changed | False | 7615 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7617 adds the known bits optimization from the multiplication circuit | 2025-04-03 | Changed | False | 7617 | [
"src/Std/Sat/AIG/RefVec.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Operations/Add.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Operations/Mul.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Lemmas/Operations/Add.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circui... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7622 fixes `fun_induction` when used on structurally recursive | 2025-04-03 | Changed | False | 7622 | [
"src/Lean/Meta/Tactic/FunInd.lean",
"tests/lean/run/issue7550.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7630 fixes a performance issue in the `whnfCore` procedure. | 2025-04-03 | Changed | False | 7630 | [
"src/Lean/Meta/WHNF.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7636 makes sure that the expression level cache in bv_decide is | 2025-04-03 | Changed | False | 7636 | [
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Expr.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Pred.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Circuit/Impl/Substructure.lean",
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7640 implements the main logic for inheriting and overriding | 2025-04-03 | Changed | False | 7640 | [
"src/Lean/Elab/Binders.lean",
"src/Lean/Elab/Structure.lean",
"src/Lean/Structure.lean",
"tests/lean/run/461a.lean",
"tests/lean/run/structureElab.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7641 implements basic model-based theory combination in `grind`. | 2025-04-03 | Changed | False | 7641 | [
"src/Init/Grind/Tactics.lean",
"src/Lean/Meta/Tactic/Grind.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/MBTC.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Model.lean",
"src/Lean/Meta/Tactic/Grind/MBTC.lean",
"src/Lean/Meta/Tactic/Grind/Solve.lean",
... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7644 adds a cache to the reflection procedure of bv_decide. | 2025-04-03 | Changed | False | 7644 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reflect.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reify.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7649 changes the AIG representation of constants from `const (b : | 2025-04-03 | Changed | False | 7649 | [
"src/Std/Sat/AIG/Basic.lean",
"src/Std/Sat/AIG/CNF.lean",
"src/Std/Sat/AIG/Cached.lean",
"src/Std/Sat/AIG/CachedLemmas.lean",
"src/Std/Sat/AIG/Lemmas.lean",
"src/Std/Sat/AIG/RefVec.lean",
"src/Std/Sat/AIG/Relabel.lean",
"src/Std/Sat/AIG/RelabelNat.lean",
"tests/lean/run/aig_optimizations.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7652 gives `#print` for structures the ability to show the default | 2025-04-03 | Changed | False | 7652 | [
"src/Lean/Elab/Print.lean",
"tests/lean/printStructure.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7655 adds the preprocessing rule for extraction over multiplication | 2025-04-03 | Changed | False | 7655 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/Normalize/Simproc.lean",
"tests/lean/run/bv_decide_rewriter.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7663 uses computed fields to store the hash code and pointer equality | 2025-04-03 | Changed | False | 7663 | [
"src/Std/Tactic/BVDecide/Bitblast/BVExpr/Basic.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7670 improves the caching computation of the atoms assignment in | 2025-04-03 | Changed | False | 7670 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reflect.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7698 adds more sharing and caching procedures to bv_decide's | 2025-04-03 | Changed | False | 7698 | [
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVCheck.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/Reflect.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/ReifiedBVExpr.lean",
"src/Lean/Elab/Tactic/BVDecide/Frontend/BVDecide/ReifiedBVLogic... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7712 ensures `grind` always abstract its own proofs into an auxiliary | 2025-04-03 | Changed | False | 7712 | [
"src/Lean/Elab/Tactic/Grind.lean",
"tests/lean/run/grind_offset_cnstr.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7714 fixes an assertion violation in the `grind` model-based theory | 2025-04-03 | Changed | False | 7714 | [
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/MBTC.lean",
"src/Lean/Meta/Tactic/Grind/Arith/Cutsat/Model.lean"
] | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | #7717 changes how `{...}`/`where` notation ("structure instance | 2025-04-03 | Changed | False | 7717 | [
"src/Init/Internal/Order/Basic.lean",
"src/Lean/Elab/MutualInductive.lean",
"src/Lean/Elab/Print.lean",
"src/Lean/Elab/StructInst.lean",
"src/Lean/Elab/Structure.lean",
"src/Lean/Elab/Tactic/Omega/Core.lean",
"src/Lean/Meta/Structure.lean",
"src/Lean/Structure.lean",
"src/lake/Lake/Load/Toml.lean",
... | https://github.com/leanprover/lean4 |
v4.19.0-rc2 | Language | When fields are elaborated, their expected types now have a couple | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 | |
v4.19.0-rc2 | Language | All parents can now be used as field names, not just the subobject | 2025-04-03 | Changed | False | [] | https://github.com/leanprover/lean4 |
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