lean4-htt/tests/lean/run/1608.lean at 7954b56cd859e99fd35bbfdf2833db439434cdcb - max/lean4-htt - maxgit: wireguard access, git repository.

max/lean4-htt

Leonardo de Moura 1ee1e01f8c feat(library/tactic/smt/congruence_closure): add builtin support for (@ne A a b)

This is needed when using cc in the standard tactic monad.

closes #1608

2017-05-26 17:06:22 -07:00

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 example {α : Type} {a b : α} (h : ¬ (a = b)) : b ≠ a :=
 by cc
 example {α : Type} {a b : α} (h : ¬ (a = b)) : ¬ (b = a) :=
 by cc
 example {α : Type} {a b : α} (h : ¬ (a = b)) : b ≠ a :=
 begin [smt] end