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945 commits

Author SHA1 Message Date
Leonardo de Moura
993ec54db6 chore: avoid hack that may introduce unnecessary dependencies 2022-02-15 12:17:40 -08:00
Sebastian Ullrich
54522006f4 refactor: List.get: take Fin to align with Array.get 
/cc @leodemoura
 2022-02-15 18:41:22 +01:00
Sebastian Ullrich
4b03666ecc chore: include orphan file 2022-02-15 09:44:19 +01:00
Leonardo de Moura
aa63fda835 fix: mark auxiliary noConfusion declarations for enumeration types as [reducible] 
closes #1016
 2022-02-14 12:03:49 -08:00
Leonardo de Moura
82bce7ebec fix: declare local instaces occurring in patterns 2022-02-12 12:01:08 -08:00
Leonardo de Moura
32dd3c6b29 feat: use at least default transparency at toCtorWhenK 
Improves the effectiveness of `simp` when reducing `match`-expr.
 2022-02-12 07:56:45 -08:00
Leonardo de Moura
0649e5fa8a feat: Basic model-based solver for linear arithmetic 2022-02-11 18:38:33 -08:00
Leonardo de Moura
123e0f42e9 feat: support partial and over applications at WF/PackDomain.lean 
closes #1013
 2022-02-11 09:28:17 -08:00
Leonardo de Moura
c685a2d9ed feat: add splitIte flag to splitTarget? tactic 2022-02-09 17:38:04 -08:00
Leonardo de Moura
7fc12014da fix: make sure splitTarget? skips match expressions that produce type errors at splitMatch 
We can now generate the equation theorem for
```
attribute [simp] Array.heapSort.loop
```

see #998
 2022-02-09 17:07:10 -08:00
Leonardo de Moura
e574c5373f feat: improve delta? method 
Use zeta reduction to create new opportunities of beta-reduction.

This issue fixes on the problems that were affecting the generation of
equation theorems for `Array.heapSort.loop` (see issue: #998).
After this fix, the equation theorem generation fails at `splitMatch`.
 2022-02-09 13:31:55 -08:00
Leonardo de Moura
8fbe7062fa fix: preserve unused let-decls at Meta.transform 2022-02-09 10:13:52 -08:00
Leonardo de Moura
33ed496661 feat: improve contradiction 2022-02-08 13:26:05 -08:00
Leonardo de Moura
c1777c17e3 feat: add simpTargetStar 2022-02-08 11:43:45 -08:00
Leonardo de Moura
824d0aa8a5 chore: remove leftover 2022-02-08 11:43:45 -08:00
Leonardo de Moura
a9bb646d4f chore: cleanup 2022-02-07 17:35:07 -08:00
Leonardo de Moura
8d7f0ea2f2 feat: add removeUnnecessaryCasts 
see #988
 2022-02-07 17:24:32 -08:00
Leonardo de Moura
9d34d9bc5a feat: cache and optimize mkCongrSimp? at simp 
see #988
 2022-02-07 17:01:21 -08:00
Leonardo de Moura
007f0e1d71 feat: use mkCongrSimp? at simp 
TODO: cache auto generated congr theorems, and `removeUnnecessaryCasts`

see #988
 2022-02-07 16:45:01 -08:00
Leonardo de Moura
93bd4a7f88 chore: lemma => thm 2022-02-07 13:55:23 -08:00
Leonardo de Moura
5baac1905f fix: use private names for theorems that are created on demand 
closes #1006
 2022-02-07 13:16:22 -08:00
Leonardo de Moura
eff63632b3 feat: improve error message when max heartbeats is reached during TC 
see #1007
 2022-02-07 11:23:48 -08:00
Leonardo de Moura
9c2942c36d chore: "simp lemma" => "simp theorem" 2022-02-06 09:15:39 -08:00
Leonardo de Moura
d6dc077c86 refactor: CongrLemma => SimpCongrTheorem 2022-02-06 09:15:39 -08:00
Leonardo de Moura
96bae46045 refactor: SimpLemma => SimpTheorem 2022-02-06 09:15:39 -08:00
Leonardo de Moura
6de0b1fc67 feat: add mkCongrSimp.mkProof 
see #988
 2022-02-04 17:57:28 -08:00
Leonardo de Moura
3ae455bccf feat: add mkCongrSimp? 
TODO: proof is still missing

see #988
 2022-02-04 17:57:28 -08:00
Leonardo de Moura
a028a69159 feat: cache isProp and isDecInst at FunInfo 2022-02-04 17:57:28 -08:00
Mario Carneiro
6e7d76f4d8 fix: typo 2022-02-03 18:21:14 -08:00
Leonardo de Moura
12e2a79170 chore: fix codebase after removing auto pure 2022-02-03 18:08:14 -08:00
Leonardo de Moura
c30380e2fa feat: lift the restriction in congr theorems that all function arguments on the lhs must be free variables 
see #988
 2022-02-02 18:23:18 -08:00
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
3db640e770 chore: avoid Name.quickLt 
`Name.quickLt` uses hash code and may produce counterintuitive results
to users.
 2022-01-28 09:48:50 -08:00
Leonardo de Moura
e5ef61225b fix: missing condition at lpo case 3 2022-01-28 09:47:35 -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
2fff4c42b7 fix: make sure irreducible constants are not unfolded when using the default reducibility setting 2022-01-26 11:55:21 -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
98407798af fix: mkEquationsFor at Match/MatchEqs.lean 
closes #974
 2022-01-25 18:43:51 -08:00
Leonardo de Moura
a969014eb9 chore: add matchHEq? 2022-01-25 18:43:51 -08:00
Leonardo de Moura
9c293abb9c chore: expose heqToEq tactic 2022-01-25 18:43:51 -08:00