3 commits

Author	SHA1	Message	Date
Jeremy Avigad	eae047bd31	refactor,feat(library/{data,algebra}): move bigops to algebra, define sums	2015-05-16 18:42:13 +10:00
Jeremy Avigad	8de6a4bb4c	feat(library/algebra/group_pow.lean,library/data/nat/power.lean): add generic power operation on monoids and groups	2015-05-13 22:19:02 -07:00
Leonardo de Moura	4180b80df6	feat(library/data/nat/power): define power and add basic theorems	2015-04-14 09:01:15 -07:00