lean4-htt/old_tests/tests/lean/run/cc_ac1.lean
2018-04-10 12:56:55 -07:00

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open tactic
example (a b c : nat) (f : nat → nat) : f (a + b + c) = f (c + b + a) :=
by cc
example (a b c : nat) (f : nat → nat) : a + b = c → f (c + c) = f (a + b + c) :=
by cc