Leonardo de Moura
902c1219b0
feat(library/data/rbtree): more find lemmas
2017-11-19 19:49:36 -08:00
Leonardo de Moura
50797c1d05
feat(library/data/rbtree): add specialized lemmas (for strict total orders)
2017-11-18 16:36:58 -08:00
Leonardo de Moura
3134e00341
fix(library/init/algebra/classes): strict_weak_order.equiv should not depend on type class
2017-11-17 17:19:00 -08:00
Leonardo de Moura
7dd70b0ef1
feat(library/init/algebra/classes): add is_strict_total_order type class
2017-11-17 15:06:32 -08:00
Leonardo de Moura
3783eaa6e1
feat(library/init/algebra/classes): add is_trichotomous type class
2017-11-17 13:49:26 -08:00
Leonardo de Moura
7024eddf29
feat(library/init/algebra/classes): add is_incomp_trans type class
2017-11-15 19:08:05 -08:00
Leonardo de Moura
8311ec0afa
feat(library/init/algebra/classes): helper lemmas
2017-11-15 18:29:38 -08:00
Leonardo de Moura
394e0d5f0a
refactor(library/init): remove has_cmp and is_ordering type classes
...
Now, `cmp` is just a fixed helper function.
In the future, we will be able to use (more efficient) specialized
versions during code generation by defining simp rules.
2017-11-14 08:33:24 -08:00
Leonardo de Moura
f063824e0a
feat(library/init/algebra/classes): add is_total_preorder is_ordering type classes
...
This commit also adds a lemma relating is_strict_weak_order and total_preorder.
2017-11-13 21:55:22 -08:00
Leonardo de Moura
31461b6fc7
feat(library/init): add ordering unbundled type classes, add has_strict_weak_ordering for cmp
...
This commit also shows that nat.cmp is an instance of has_strict_weak_ordering.
2017-11-10 16:45:54 -08:00
Leonardo de Moura
55fee26b36
feat(library/class): add attribute for tracking symbols occurring in instances of type classes
...
For more information see:
https://github.com/leanprover/lean/wiki/Refactoring-structures
The new attribute [algebra] implements the [algebraic_class] described
in the page above.
2017-05-01 18:02:30 -07:00
Leonardo de Moura
74550fbebc
feat(library/init/core): add notation for out_param
2017-05-01 13:52:17 -07:00
Leonardo de Moura
e7603df514
feat(library/init/algebra): add type classes for algebraic normalizer
2017-04-18 15:47:38 -07:00
