Commit graph

42 commits

Author SHA1 Message Date
Leonardo de Moura
f19fcf255a chore(library/constants.cpp): regenerate automatically generated file 2015-11-08 14:05:03 -08:00
Daniel Selsam
8e5e8e6540 feat(library/blast/simplifier): basic infrastructure 2015-11-08 14:05:02 -08:00
Leonardo de Moura
ba477a0e98 feat(library/congr_lemma_manager): handle simple congruence lemmas 2015-11-08 14:05:02 -08:00
Leonardo de Moura
5a48a2cebe feat(library/app_builder): add mk_sorry method 2015-11-08 14:05:02 -08:00
Leonardo de Moura
01259a2d1c feat(library/app_builder): add helper functions for creating eq.rec applications 2015-11-08 14:05:01 -08:00
Leonardo de Moura
0f631889b7 feat(library/app_builder): add helper methods for creating binary relations, and refl/symm/trans proofs 2015-11-08 14:05:00 -08:00
Leonardo de Moura
c361fc1f6f fix(frontends/lean/parser): method for parsing decimals
"division" has been renamed to "div"
2015-11-08 14:04:59 -08:00
Leonardo de Moura
b777375469 fix(frontends/lean/parser): decimals 2015-11-08 14:04:56 -08:00
Leonardo de Moura
d1e111fd6c fix(hott,frontends/lean,library,library/tactic): make sure we can still compile the HoTT library 2015-11-08 14:04:55 -08:00
Leonardo de Moura
8ee214f133 checkpoint: new numeral encoding 2015-11-08 14:04:55 -08:00
Leonardo de Moura
5d8d226640 fix(frontends/lean/parser): add support for decimals
Decimal numbers are notation for rationals.
If rat.of_num is not available, then an error is generated.

closes #793
2015-08-11 18:44:48 -07:00
Leonardo de Moura
e74c6eef3d feat(library/simplifier): add 'simp.funext' and 'simp.propext' options 2015-07-21 18:23:10 -07:00
Leonardo de Moura
5581b735f4 feat(library/constants.txt): add poly_unit and poly_unit.star 2015-06-25 17:36:34 -07:00
Floris van Doorn
fa1979c128 feat(datatypes): let the type of unit be the lowest non-Prop universe
The definitional package (brec_on and cases_on) now use poly_unit instead of unit

closes #698
2015-06-25 17:33:46 -07:00
Leonardo de Moura
1cbace9df6 feat(library/tactic/congruence_tactic): add congruence lemma generator
The generated congruence theorems ignore arguments that are subsingleton types.
2015-06-05 22:00:10 -07:00
Leonardo de Moura
dce86b3a84 feat(library/init/logic): add 'eq.drec' (in standard Lean) with a signature very similar to eq.rec in the HoTT library 2015-06-03 17:29:26 -07:00
Leonardo de Moura
d95c064a29 feat(library/simplifier/ceqv): add to_ceqv procedure 2015-05-27 16:35:56 -07:00
Leonardo de Moura
b1ece388a6 feat(frontends/lean,library/tactic/induction_tactic): improve induction tactic notation, expand induction tactic implementation 2015-05-18 09:25:07 -07:00
Leonardo de Moura
84faef5d5d feat(library/tactic/rewrite_tactic): rewrite tactic with 'iff' lemmas 2015-05-14 18:27:13 -07:00
Leonardo de Moura
065a1f7501 feat(library/tactic): add 'induction' tactic skeleton 2015-05-12 20:21:25 -07:00
Leonardo de Moura
aff9257c72 feat(frontends/lean): allow → to be used in calc proofs
see issue #586
2015-05-07 12:28:47 -07:00
Leonardo de Moura
415ca2b93f feat(library/tactic): add 'congruence' tactic
It is the f_equal described at issue #500.
2015-05-02 12:58:46 -07:00
Leonardo de Moura
9ba8b284a1 fix(library/tactic/apply_tactic): add eapply, and fix issue #361 2015-05-01 15:08:00 -07:00
Leonardo de Moura
2d9c950144 feat(library/tactic/constructor_tactic): allow 'constructor' tactic without index
see issue #500
2015-04-30 21:15:07 -07:00
Leonardo de Moura
9c8a63caec feat(library/tactic): add 'contradiction' tactic
see issue #500

Remark: this tactic also applies no_confusion to take care of a contradiction
2015-04-30 13:47:40 -07:00
Leonardo de Moura
3233008039 feat(library/tactic): allow user to name generalized term in the 'generalize' tactic
closes #421
2015-04-30 11:57:40 -07:00
Leonardo de Moura
d2c7b5c319 feat(library/tactic): add 'let' tactic
closes #555
2015-04-28 17:24:43 -07:00
Leonardo de Moura
ca8943f45b feat(library,hott): remove rapply tactic 2015-04-27 15:06:16 -07:00
Leonardo de Moura
9d01868361 feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step)
closes #502
2015-04-24 17:23:12 -07:00
Leonardo de Moura
2613e7c444 fix(frontends/lean): bug when handling identifiers in tactics
This bug was reported by Jeremy in the Lean Google group:
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/ZKJ8WPPEVJA/n05x6rPRzvMJ
2015-04-22 16:03:22 -07:00
Leonardo de Moura
6f6d106a10 feat(library/tactic): add "check_expr" tactic
closes #486
2015-04-19 19:00:05 -07:00
Leonardo de Moura
2bc13f6bfd feat(library/tactic/exact): enforce goal type during elaboration when executing 'exact' tactic
Remark: this was the behavior of the 'sexact' tactic.

This commit also adds the 'rexact' (relaxed exact) tactic which does not
enforce the goal type.

closes #495
2015-04-06 13:23:38 -07:00
Leonardo de Moura
4ec0e1b07c feat(frontends/lean): improve calc mode
Now, it automatically supports transitivity of the form
    (R a b) -> (b = c) -> R a c
    (a = b) -> (R b c) -> R a c

closes #507
2015-04-04 08:58:35 -07:00
Leonardo de Moura
b9e3c474c9 feat(library/tactic): add all_goals tactic
closes #501
2015-03-25 17:42:34 -07:00
Leonardo de Moura
5bf46d1226 fix(library/tactic/inversion_tactic): improve 'cases' tactic for HoTT mode
closes #481
2015-03-23 18:06:11 -07:00
Leonardo de Moura
1490bdad49 feat(frontends/lean): add version of 'exact' tactic (sexact) that enforces goal type during term elaboration 2015-03-06 17:34:45 -08:00
Leonardo de Moura
368f9d347e refactor(frontends/lean): approach used to parse tactics
The previous approach was too fragile

TODO: we should add separate parsing tables for tactics
2015-03-05 18:11:21 -08:00
Leonardo de Moura
ca57b43698 feat(library/tactic): add 'change' tactic 2015-03-01 14:15:39 -08:00
Leonardo de Moura
af787d9b7f fix(library/constants): regenerate constants.cpp and fix affected files 2015-02-22 09:22:51 -08:00
Leonardo de Moura
058377c8c6 feat(library/tactic/rewrite_tactic): treat iff.refl as trivial step in the rewrite tactic 2015-02-08 17:27:59 -08:00
Leonardo de Moura
f0fac1ae0e feat(library/constants): add eq.intro 2015-02-04 15:27:18 -08:00
Leonardo de Moura
27f6bfd3f0 refactor(*): add file constants.txt with all constants used by the Lean binary 2015-01-23 16:50:32 -08:00