3 commits

Author	SHA1	Message	Date
Leonardo de Moura	7b64a47221	refactor(library/init): add auxiliary function mk_equivalence	2015-04-01 17:30:20 -07:00
Leonardo de Moura	4fcb560ea7	feat(library/init/funext): add subsingleton_pi instance using funext	2015-04-01 13:05:05 -07:00
Leonardo de Moura	ed1acd9fb0	feat(library/init): move propext to init/quot, add Jeremy's funext theorem	2015-04-01 12:36:33 -07:00