7 lines
186 B
Text
7 lines
186 B
Text
open tactic
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example (a b c : nat) (f : nat → nat) : f (a + b + c) = f (c + b + a) :=
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by cc
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example (a b c : nat) (f : nat → nat) : a + b = c → f (c + c) = f (a + b + c) :=
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by cc
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