8 lines
206 B
Text
8 lines
206 B
Text
constant R : nat → nat → Prop
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axiom R_trans : ∀ a b c, R a b → R b c → R a c
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attribute R_trans [trans]
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set_option blast.subst false
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example (a b c : nat) : a = b → R a b → R a a :=
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by blast
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