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799 commits

Author SHA1 Message Date
Leonardo de Moura
9d5f211c28 feat: add environment extension for storing match conditional equations and splitter 2021-08-28 14:49:20 -07:00
Leonardo de Moura
03f095ccab fix: match + OfNat issue 
See https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/simp.20match.20question
 2021-08-27 11:48:02 -07:00
Leonardo de Moura
2f8d2e8a12 feat: add procedure for solving subgoals generated by mkSplitterProof 2021-08-24 20:23:13 -07:00
Leonardo de Moura
2b9fded6b7 feat: add splitter theorem 2021-08-24 18:37:12 -07:00
Leonardo de Moura
f4ecbd1102 chore: reduce dependencies 2021-08-24 17:38:43 -07:00
Leonardo de Moura
6f71cb1047 refactor: add Meta.intros 2021-08-24 17:24:29 -07:00
Leonardo de Moura
14b65499e6 feat: construct proof template for the auto generated extended elimination principle 2021-08-24 17:13:42 -07:00
Leonardo de Moura
214f2f7bb6 fix: toFVarsRHSArgs 2021-08-24 16:50:03 -07:00
Wojciech Nawrocki
81eff794d5 doc: add review comments 2021-08-24 08:57:41 -07:00
Wojciech Nawrocki
f52940160e feat: better interactive goals 2021-08-24 08:57:41 -07:00
Leonardo de Moura
269a3478e0 refactor: cleanup mkEquationsFor 
and build eliminator type where alternatives have the extra
conditions that ensure none of the previous alternatives are applicable.
 2021-08-23 20:19:24 -07:00
Leonardo de Moura
4f45a514fc fix: TC issue introduced by recent bug fix 
This commit fixes the issue reported at
https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/instance.20not.20synthesizing.20issue.3F
 2021-08-23 17:32:19 -07:00
Leonardo de Moura
5a7044365b feat: add instances Alternative MetaM and Alternative TacticM 2021-08-22 22:29:09 -07:00
Leonardo de Moura
ca747e9b27 feat: use contradiction at leaves 
closes #644
 2021-08-22 18:41:02 -07:00
Leonardo de Moura
48e6188e89 feat: use exfalso at ElimEmptyInductive 2021-08-22 18:16:14 -07:00
Leonardo de Moura
e5c380fd4f feat: add exfalso 2021-08-22 18:14:49 -07:00
Leonardo de Moura
ec20725cfb feat: use searchFuel instead of searchDepth at contradiction 2021-08-22 17:41:12 -07:00
Leonardo de Moura
49520aa2ee feat: generate conditional equation theorems for match expressions 2021-08-19 19:33:31 -07:00
Leonardo de Moura
37f2f7d472 fix: bug at processGenDiseq 
We should not assign metavar from outer depth inside `withNewMCtxDepth`
 2021-08-19 19:33:26 -07:00
Leonardo de Moura
3c519887d1 chore: generate error message when MatchEqs fail 
TODO: we currently do not generate equation theorems
for `match` expressions using array literals.
 2021-08-19 17:04:52 -07:00
Leonardo de Moura
1624e42a5d chore: cleaup 2021-08-19 14:39:58 -07:00
Leonardo de Moura
bffefa61bd feat: extend contradiction for MatchEqs.lean 2021-08-19 12:52:50 -07:00
Leonardo de Moura
7b881b6020 chore: add Contradiction.Config 2021-08-19 11:43:12 -07:00
Leonardo de Moura
a6529a795b feat: add casesOnStuckLHS 2021-08-19 11:22:13 -07:00
Leonardo de Moura
015df19808 feat: add trySubst 2021-08-19 07:08:02 -07:00
Leonardo de Moura
d0d7799a7b doc: document (and rename) the new configuration option ignoreLevelMVarDepth 2021-08-18 20:38:18 -07:00
Leonardo de Moura
99e8a98f06 feat: allow universes metavariables from any depth to be assigned when ignoreLevelDepth is true 
We set `ignoreLevelDepth` to true during type class resolution.
 2021-08-18 20:20:51 -07:00
Leonardo de Moura
45d3b85d5a refactor: cleanup MatchEqs and simplify SplitIf 2021-08-18 18:34:34 -07:00
Leonardo de Moura
83eaa47e0a chore: move MatchEqs 2021-08-17 21:32:32 -07:00
Leonardo de Moura
158636b8c0 feat: add spliIfGoal 
TODO: remove unnecessary complexity, `MatchEqs` doesn't need all this
complexity, and we should not recurse here.
 2021-08-17 21:32:32 -07:00
Leonardo de Moura
e04976614f feat: check if metavar is not assigned at simp tactics 
and make sure `simpLocalDecl` does not change the goal if it didn't simplify
 2021-08-17 21:32:32 -07:00
Leonardo de Moura
60d38606e7 fix: missing instantiateMVars 2021-08-17 21:32:32 -07:00
Leonardo de Moura
a5b9306e04 fix: deep recursion at contradiction 2021-08-17 21:32:32 -07:00
Leonardo de Moura
4cfbe6030f feat: add simpLocalDecl 2021-08-17 21:32:32 -07:00
Leonardo de Moura
52b52b22ef fix: to do unfold matcher applications that cannot be reduced when smartUnfolding is true 
https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/How.20to.20WHNF.20without.20exposing.20recursors.3F
 2021-08-17 21:32:32 -07:00
Leonardo de Moura
60ff468a8b feat: add simpGoal helper method 
chore: rename `simpGoal?`
 2021-08-17 21:32:32 -07:00
Leonardo de Moura
5a76f70bc8 feat: add optional argument discharge? to simp basic methods 2021-08-17 21:32:32 -07:00
Leonardo de Moura
571a0491ee feat: add Meta.byCases helper tactic 2021-08-16 14:58:51 -07:00
Leonardo de Moura
f59b9813fb feat: add environment extension for caching Simp.Context for splitIf 2021-08-16 13:05:01 -07:00
Leonardo de Moura
ca0c205389 feat: add registerSimpAttr 2021-08-16 09:59:58 -07:00
Leonardo de Moura
9182ebd4c1 feat: elaborate * simp argument 2021-08-15 08:02:21 -07:00
Leonardo de Moura
3c68703f39 feat: elaborate <- modifier at simp arguments 2021-08-15 07:07:58 -07:00
Leonardo de Moura
d52de3392b chore: remove workaround 2021-08-13 19:35:47 -07:00
Leonardo de Moura
a15a36b8d3 chore: cleanup Subarray instances 2021-08-13 19:29:09 -07:00
Leonardo de Moura
4b58c4cc02 refactor: instances that "hide" coercions 
Example:
```
instance [CoeHTCT α β] [Add β] : HAdd α β β where
  hAdd a b := Add.add a b
```
 2021-08-13 17:18:55 -07:00
Leonardo de Moura
be23709737 chore: use binop% to define ++ notation 2021-08-13 16:26:35 -07:00
Sebastian Ullrich
16026e9edd perf: restore monad instance specialization hack 2021-08-12 21:09:09 +02:00
Leonardo de Moura
63ad42ba47 refactor: move and generalize reduceProj? 2021-08-10 20:21:04 -07:00
Leonardo de Moura
16ea00586d fix: fixes #620 2021-08-10 15:06:06 -07:00
Leonardo de Moura
97664de3ee fix: diamonds with dependent fields 2021-08-09 19:01:08 -07:00