9 lines
215 B
Text
9 lines
215 B
Text
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set_option blast.strategy "cc"
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set_option blast.cc.heq true
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definition ex1 (a b c a' b' c' : nat) : a = a' → b = b' → c = c' → a + b + c + a = a' + b' + c' + a' :=
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by blast
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set_option pp.beta true
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print ex1
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