3 commits

Author	SHA1	Message	Date
Leonardo de Moura	17c07cdb02	feat(library/data/rat/order): define abs and sign for rat before migrate	2015-04-27 12:59:02 -07:00
Jeremy Avigad	7a1064b7e8	refactor(library/algebra/order.lean): rename a field in an order structure	2015-04-27 12:03:41 -07:00
Jeremy Avigad	d8e40d90d6	feat(library/data/rat/order.lean): make rat a linear ordered field	2015-04-27 12:03:41 -07:00