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4 commits

Author SHA1 Message Date
Leonardo de Moura
ae2e0fd3dc feat(library/standard/logic/connectives/if): add 'if-then-else' congruence theorem
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-03 21:41:01 -07:00
Leonardo de Moura
700c911cf7 chore(library/standard/logic/class/decidable): add missing 'end'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-02 17:00:01 -07:00
Leonardo de Moura
148836d14b feat(library/standard/data/option): add basic theorems for option types
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-02 16:59:01 -07:00
Jeremy Avigad
fbaf8b7e77 refactor(library/standard): begin reorganization into hierarchy 2014-08-01 09:11:51 -07:00
Renamed from library/standard/decidable.lean (Browse further)