3 commits

Author	SHA1	Message	Date
Jeremy Avigad	6549940c63	feat(library/data/finset/bigops.lean): add Union for finsets	2015-05-17 17:50:32 +10:00
Jeremy Avigad	eae047bd31	refactor,feat(library/{data,algebra}): move bigops to algebra, define sums	2015-05-16 18:42:13 +10:00
Jeremy Avigad	efbca4c78e	feat(library/data/finset/finset.md): add markdown file	2015-05-11 09:03:56 -07:00