5 commits

Author	SHA1	Message	Date
Leonardo de Moura	cd17618f4a	refactor(library): replace 'calc_trans', 'calc_symm', 'calc_refl' and 'calc_subst' commands with attributes '[symm]', '[refl]', '[trans]' and '[subst]' ... These attributes are used by the calc command. They will also be used by tactics such as 'reflexivity', 'symmetry' and 'transitivity'. See issue #500	2015-05-02 15:15:35 -07:00
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
Jeremy Avigad	f4398115b4	feat(library/data/rat/basic.lean): begin theory of rationals, show rat is a field	2015-04-18 11:39:52 -07:00