Commit graph

440 commits

Author SHA1 Message Date
Leonardo de Moura
9722aeaf32 feat: use String.Iterator.sizeOf_next_lt in the builtin decreasing_tactic 2022-03-19 09:04:40 -07:00
Leonardo de Moura
9727387129 feat: helper theorem for proving termination of simple String traversal functions 2022-03-19 07:37:59 -07:00
Leonardo de Moura
64bd82dddd feat: custom SizeOf instance for String.Iterator 2022-03-19 07:21:17 -07:00
zygi
ac793ce196 fix: forward start and stop in Array.allM 2022-03-17 10:08:40 +01:00
Daniel Fabian
cf4e873974 feat: support Sort u in ac_refl. 2022-03-16 17:21:20 -07:00
Daniel Fabian
d667d5ab5d feat: rewrite the tactic using simp as the basis. 2022-03-16 17:21:20 -07:00
Daniel Fabian
fda1c5b192 refactor: simplify proof using <;> 2022-03-16 17:21:20 -07:00
Daniel Fabian
a60220b036 feat: add tactic for ac_refl. 2022-03-16 17:21:20 -07:00
Daniel Fabian
eaa48f0d8d refactor: move ac proofs to Init. 2022-03-16 17:21:20 -07:00
Leonardo de Moura
c6dae18787 chore: add helper theorems 2022-03-14 16:24:05 -07:00
Leonardo de Moura
40f608bfbd chore: cleanup String.extract reference implementation 2022-03-14 16:23:13 -07:00
Leonardo de Moura
8e29747fe7 feat: add simp theorem (a : Nat) : (a ≤ 0) = (a = 0) 2022-03-14 15:43:42 -07:00
Leonardo de Moura
14ed473777 feat: mark Nat.zero_le as simp theorem 2022-03-14 15:19:52 -07:00
Leonardo de Moura
cab3217b05 feat: add forIn'_eq_forIn theorem for lists 2022-03-14 11:50:47 -07:00
Sebastian Ullrich
82c682d385 chore: remove redundant proof 2022-03-12 11:12:56 +01:00
Leonardo de Moura
5caf1bc692 chore: style
Use `·` instead of `.` for structuring tactics.
2022-03-11 16:12:46 -08:00
Leonardo de Moura
d3b2028a05 feat: add Fin.succ 2022-03-05 17:36:38 -08:00
Leonardo de Moura
ef38c82c77 fix: missing hypotheses at List.sizeOf_lt_of_mem 2022-03-03 19:52:05 -08:00
Leonardo de Moura
99677823c3 fix: ForIn' instance binder annotations 2022-03-03 19:51:45 -08:00
Leonardo de Moura
d8ee03c1bb feat: add ForIn' instance that is similar to ForIn but provides a proof that the iterated elements are in the collection 2022-03-03 19:05:27 -08:00
Leonardo de Moura
e1424653b9 chore: remove workaround 2022-03-03 18:16:54 -08:00
Leonardo de Moura
337c55f322 fix: missing import 2022-03-03 18:13:34 -08:00
Leonardo de Moura
aeb9b2fb8c chore: add Membership instance for Array 2022-03-03 18:13:34 -08:00
Leonardo de Moura
fd519401ff feat: add Membership instance for List
and the theorem `a ∈ as -> sizeOf a < sizeOf as`.
We will use theorems like this one to improve the `decreasing_tactic`.
2022-03-03 18:13:21 -08:00
Leonardo de Moura
f629be745b chore: add Nat.le_refl as simp theorem 2022-03-03 17:18:11 -08:00
Leonardo de Moura
5845002e8c feat: use WF at anyM 2022-03-03 16:43:05 -08:00
Leonardo de Moura
02d7cedba8 chore: remove unnecessary termination_by annotations 2022-03-03 11:24:06 -08:00
Leonardo de Moura
de51160929 fix: core library 2022-03-01 13:36:24 -08:00
François G. Dorais
e84699f130 fix: remove unnecessary hypotheses 2022-03-01 13:31:01 -08:00
Leonardo de Moura
89e0de9fbb chore: use WF compiler to define Nat.mod and Nat.div 2022-03-01 13:08:59 -08:00
Leonardo de Moura
0f796ac804 chore: avoid heterogeneous polymorphic operations and add add hugeFuel at Linear.lean 2022-03-01 11:25:15 -08:00
Leonardo de Moura
9bd82b798a chore: use bif instead of if at Linear.lean 2022-03-01 10:55:03 -08:00
Leonardo de Moura
da55789c26 feat: add a proper BEq instance for Nat 2022-03-01 09:01:08 -08:00
Leonardo de Moura
0f06fbf648 feat: LawfulBEq must be reflexive 2022-02-28 19:27:51 -08:00
Leonardo de Moura
e8fb0c96ac feat: add helper theorems 2022-02-28 18:06:02 -08:00
Leonardo de Moura
5ddb3c3435 feat: faster PolyCnstr.combine 2022-02-28 17:24:26 -08:00
Leonardo de Moura
b5f28239af feat: add List helper theorems 2022-02-28 15:16:13 -08:00
Leonardo de Moura
89f88b1caa feat: simplify nested arith expressions 2022-02-27 09:01:52 -08:00
Leonardo de Moura
812cc72285 chore: add helper theorems 2022-02-25 17:04:04 -08:00
Leonardo de Moura
3f636b9f83 feat: add Lean.Meta.Linear.Nat.simpCnstr? 2022-02-25 16:27:21 -08:00
Leonardo de Moura
346930af9d feat: add ExprCnstr.eq_of_toNormPoly_eq 2022-02-25 14:55:20 -08:00
Leonardo de Moura
b8bed6fb5c feat: add LawfulBEq class 2022-02-25 13:35:08 -08:00
Leonardo de Moura
3b130ee42f feat: add Poly.toExpr 2022-02-25 12:31:30 -08:00
Leonardo de Moura
be2e2cb70e chore: adjust proofs affected by update stage0 2022-02-24 17:20:17 -08:00
Leonardo de Moura
05be43455a feat: add src/Init/Data/Nat/Linear.lean 2022-02-24 13:45:17 -08:00
Leonardo de Moura
902e60c480 feat: add Format.isEmpty 2022-02-23 13:34:25 -08:00
Leonardo de Moura
8d6750469e chore: helper Nat theorems 2022-02-22 14:26:50 -08:00
Leonardo de Moura
7f3a3138d0 feat: helper Nat theorems 2022-02-21 08:49:50 -08:00
Leonardo de Moura
ba16903205 feat: add helper theorems 2022-02-19 21:25:44 -08:00
Leonardo de Moura
193859c72c feat: add helper theorems 2022-02-19 17:53:54 -08:00