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2 commits

Author SHA1 Message Date
Leonardo de Moura
189e5e6b48 refactor(library/data/nat/wf): mark theorem as transparent
It doesn't really help since
        le_imp_lt_or_eq, succ_le_cancel, lt_imp_le_succ and or.elim
are still opaque
2014-11-10 12:52:02 -08:00
Leonardo de Moura
64d2cc60c2 feat(library/data/nat/wf): add nat.lt is well founded theorem 2014-11-07 10:48:31 -08:00