Floris van Doorn
297d50378d
feat(hott): add definitions using truncations and theorems about them
...
define embedding, (split) surjection, retraction, existential quantifier, 'or' connective
also add a whole bunch of theorems about these definitions
still has two sorry's which can be solved after #564 is closed
2015-04-29 10:04:07 -07:00
Floris van Doorn
b70841171a
fix(hott): rename retr and sect to right_inv and left_inv
2015-04-29 10:04:06 -07:00
Floris van Doorn
23e6a3131d
feat(precategory): add two redundant fields to precategory. Also some cleanup.
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In particular, all instances of "set_option apply.class_instance false" are removed
2015-04-29 10:04:06 -07:00
Floris van Doorn
86012d841b
fix(hott): make f explicit in is_equiv.mk and a bit of renaming in init
2015-04-29 10:04:06 -07:00
Floris van Doorn
e769fdd9dc
feat(hott): make some arguments in init.path implicit and rename apD to apd
2015-04-29 10:04:06 -07:00
Floris van Doorn
cb5b07093f
fix(arity): remove unnecessary implicit arguments
2015-04-23 14:29:04 -07:00
Leonardo de Moura
75621df52b
feat(frontends/lean): uniform notation for lists in tactics
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closes #504
2015-03-27 17:54:48 -07:00
Floris van Doorn
c914b79341
feat(hott/algebra/category): show that functor category is univalent if codomain is
2015-03-16 17:15:51 -07:00
Floris van Doorn
ebba33057c
feat(hott): add arity.hlean, about multivariate functions
2015-03-16 17:15:51 -07:00