11 lines
395 B
Text
11 lines
395 B
Text
set_option blast.strategy "cc"
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set_option blast.cc.heq true -- make sure heterogeneous congruence lemmas are enabled
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example (a b c : nat) (f : nat → nat) : a == b → b = c → f a == f c :=
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by blast
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example (a b c : nat) (f : nat → nat) : a == b → b = c → f a = f c :=
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by blast
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example (a b c d : nat) (f : nat → nat) : a == b → b = c → c == f d → f a = f (f d) :=
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by blast
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