lean2/hott/algebra/category/constructions
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
..
constructions.md refactor(category): merge precategory/ and category/, organize construction files differently. 2015-04-29 10:04:06 -07:00
default.hlean refactor(category): merge precategory/ and category/, organize construction files differently. 2015-04-29 10:04:06 -07:00
functor.hlean feat(hott): add definitions using truncations and theorems about them 2015-04-29 10:04:07 -07:00
hset.hlean feat(hott): standardize the naming of definitions proving equality of elements of a structure 2015-04-29 10:04:06 -07:00
opposite.hlean refactor(category): merge precategory/ and category/, organize construction files differently. 2015-04-29 10:04:06 -07:00
product.hlean refactor(category): merge precategory/ and category/, organize construction files differently. 2015-04-29 10:04:06 -07:00