3 commits

Author	SHA1	Message	Date
Jeremy Avigad	5bc6dd84cf	feat(library/data/nat): make nat an instance of comm_semiring	2014-12-23 21:14:35 -05:00
Leonardo de Moura	5cf8064269	refactor(library): rename exists_elim and exists_intro to exists.elim ... and exists.intro	2014-12-15 19:07:38 -08:00
Leonardo de Moura	c6ebe9456e	feat(library/data/nat): add "bounded" quantifiers ... Later, we will add support for arbitrary well-founded relations	2014-12-13 15:42:38 -08:00