5 commits

Author	SHA1	Message	Date
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	70a2f6534c	feat(hit): derive path computation rule for elim and elim_type for every hit ... also make argument of eq_of_rel implicit also remove most sorry's for hits path computation rule for rec still needs to be done for all hits	2015-04-29 10:04:07 -07:00
Leonardo de Moura	8241863abe	feat(kernel/hits): add two builtin HITs: type_quotient and trunc	2015-04-23 15:32:31 -07:00
Floris van Doorn	591a563be3	feat(hit): For all hits, add the elimination to the universe (using ua)	2015-04-23 14:29:04 -07:00
Floris van Doorn	51e87213d0	feat(hit): define nondependent recursors for all hits, sequential colimit, and elaborate on spheres ... squash	2015-04-23 14:29:04 -07:00