2 commits

Author	SHA1	Message	Date
Leonardo de Moura	6df31d3406	refactor(library/data/nat/basic): mark some theorems as protected to avoid overloading	2015-11-08 14:04:56 -08:00
Leonardo de Moura	9d01868361	feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step) ... closes #502	2015-04-24 17:23:12 -07:00