lean2/tests/lean/run/blast_cc14.lean

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set_option blast.strategy "cc"
constant R : nat → nat → Prop
axiom R_trans : ∀ a b c, R a b → R b c → R a c
attribute R_trans [trans]
set_option blast.subst false
example (a b c : nat) : a = b → R a b → R a a :=
by blast