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320 commits

Author SHA1 Message Date
Leonardo de Moura
101fc12b54 feat: partially applied user congruence lemmas 
see #988
 2022-02-02 17:41:21 -08:00
Leonardo de Moura
188f0eb70f fix: splitMatch tactic 
Improve how we compute the motive for match-splitter eliminator.

closes #986
 2022-02-02 15:06:03 -08:00
Leonardo de Moura
65e1fc1211 feat: at splitMatch only generalize discriminants that are not FVar 2022-02-02 15:06:03 -08:00
Leonardo de Moura
630bf4e129 chore: update error message for throwNestedTacticEx 2022-02-02 15:06:03 -08:00
Leonardo de Moura
3101b98f50 feat: used nested tactic exception at splitMatch 2022-02-02 15:06:03 -08:00
Leonardo de Moura
b1617fe04c feat: add throwNestedTacticEx 
closes #194
 2022-01-31 16:25:44 -08:00
Leonardo de Moura
f02013fd76 fix: induction MetaM tactic 
The major premise may be a let-declaration.

closes #983
 2022-01-31 13:41:38 -08:00
Leonardo de Moura
cb4a86ac68 fix: do not validate local eq theorems 
see #973
 2022-01-27 11:50:20 -08:00
Leonardo de Moura
a63163e992 feat: do not try to discharge hypotheses at simp when type contains assignable metavariables 
closes #973
see https://github.com/leanprover-community/mathport/issues/70
 2022-01-26 17:57:52 -08:00
Leonardo de Moura
8db923e010 feat: generate error message for simp theorems that are equivalent to x = x 
see #973
see https://github.com/leanprover-community/mathport/issues/70
 2022-01-26 11:16:31 -08:00
Leonardo de Moura
cf3b8d4eb4 chore: cleanup 
Make the code style more uniform.
We still have a lot of leftovers from the old frontend.
 2022-01-26 09:18:17 -08:00
Leonardo de Moura
a10e32f537 fix: check "heartbeats" at simp 2022-01-26 07:50:25 -08:00
Leonardo de Moura
15cca3000a fix: withIncRecDepth was not aborting simp 
It was just making it stop simplification at the current branch.

Now, elaboration is interrupted after a few seconds in the example at
issue #906.

see #906
 2022-01-26 07:48:58 -08:00
Leonardo de Moura
9c293abb9c chore: expose heqToEq tactic 2022-01-25 18:43:51 -08:00
Leonardo de Moura
6547af988b feat: add substVars 2022-01-25 18:43:51 -08:00
Leonardo de Moura
02677cf326 fix: igore instance implicit arguments in term ordering used at simp 
closes #972
 2022-01-24 18:57:31 -08:00
Leonardo de Moura
d4f7899591 chore: avoid code duplication setting Simp.Config 2022-01-24 18:57:31 -08:00
Leonardo de Moura
7ada79bf2e fix: use an AC-compatible ordering on Expr at simp 
closes #968
 2022-01-22 09:42:59 -08:00
Leonardo de Moura
ef449e816f chore: improve trace messages 2022-01-19 14:29:04 -08:00
Leonardo de Moura
c816524d8d feat: add subst? 2022-01-18 14:26:14 -08:00
Leonardo de Moura
49b2860f2a feat: add Meta.rename tactic 2022-01-12 16:15:30 -08:00
Leonardo de Moura
7a86b613dc chore: remove old comment 2022-01-12 08:28:03 -08:00
Leonardo de Moura
b50e82bc93 feat: unfold tactic 2022-01-07 13:51:45 -08:00
Leonardo de Moura
c303bf6916 refactor: add helper methods for simp 2022-01-07 13:51:45 -08:00
Leonardo de Moura
bef161caf7 feat: add better support for discharging equation theorem hypotheses 2022-01-06 14:42:23 -08:00
Leonardo de Moura
90b179bea9 fix: add equation theorems even if definition supports smart unfolding 
See new test.
 2022-01-06 13:53:03 -08:00
Leonardo de Moura
60934bf1d5 feat: add support for removing [simp] attribute from definitions with equational theorems 2022-01-05 16:57:59 -08:00
Leonardo de Moura
c2e52bd577 feat: use getEqnsFor? when applying [simp] at definitions 2022-01-05 15:59:39 -08:00
Leonardo de Moura
030e932db8 feat: use getEqnsFor? at simp 2022-01-05 11:28:24 -08:00
Mario Carneiro
7956a9bb15
chore: typos 2021-12-23 10:14:39 +01:00
Leonardo de Moura
c954fc9ec7 fix: bug at simpLoop 2021-12-18 06:48:08 -08:00
Leonardo de Moura
81f7335269 fix: ensure motive is type correct at simpProj 2021-12-15 17:07:31 -08:00
Leonardo de Moura
0a81093db5 fix: bug at simpProj 
This bug was reported at https://github.com/dwrensha/lean4-maze/issues/1
 2021-12-15 17:07:00 -08:00
Leonardo de Moura
68bd55af32 chore: fix codebase 2021-12-10 13:12:09 -08:00
Leonardo de Moura
96e0e1db98 fix: nontermination at simp [OfNat.ofNat] 
closes #788
 2021-12-10 12:29:33 -08:00
Leonardo de Moura
7b6732a137 refactor: ExprDefEq.lean and LevelDefEq.lean are now implementation only files 
We use the export/extern idiom to define `isLevelDefEqAux`, and then
define the `isDefEq` user facing functions at `Meta/Basic.lean`.
 2021-12-06 09:57:00 -08:00
Leonardo de Moura
88b6ad4756 feat: add etaStruct to Meta.Simp.Config 2021-11-25 11:31:00 -08:00
Gabriel Ebner
f55649f81b fix: prefer simp lemmas with *higher* priority 2021-11-22 11:52:45 -08:00
Leonardo de Moura
2a7b33089a fix: transparency settings at simp TC check 
fixes #790
 2021-11-15 18:09:31 -08:00
Leonardo de Moura
83cf5b20a1 fix: simpLet 
Given `let x := v; b`, `simpLet` was using an incorrect local context to simplify `v`.
 2021-10-22 16:29:00 -07:00
Leonardo de Moura
b5e640a423 fix: avoid getMVarType' at cleanup tactic 
`getMVarType'` applies `whnf`
 2021-10-19 06:43:07 -07:00
Leonardo de Moura
6b2303b243 fix: bug at tryLemmaCore when numExtraArgs > 1 
Fixes bug reported at
https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Simp.20bug.20-.20produces.60application.20type.20mismatch.60/near/257711901
 2021-10-18 13:59:19 -07:00
Sebastian Ullrich
e068833e8d fix: register missing simp trace classes 2021-10-11 15:37:56 +02:00
Leonardo de Moura
91d2f6d4fc feat: add cleanup tactic 2021-10-06 19:54:28 -07:00
Leonardo de Moura
59d7b00557 feat: add mapping from mvar user name to MVarId 2021-10-02 15:26:44 -07:00
Leonardo de Moura
dba358067a chore: remove workaround 2021-09-30 22:37:20 -07:00
Leonardo de Moura
3fed9c9df7 feat: reject partial when if constant is not a function 
fixes #697
 2021-09-28 21:07:14 -07:00
Leonardo de Moura
f1be1d5bba feat: add simpProj 
Simplifier for kernel projections.
 2021-09-27 19:06:10 -07:00
Leonardo de Moura
2775298fef feat: add applyMatchSplitter 
It applies the match splitter without using simplification theorems
 2021-09-18 16:30:47 -07:00
Leonardo de Moura
6fbb6c7215 feat: add delta? 2021-09-17 18:46:09 -07:00