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theory Scratch imports Main begin | |
locale loc1 = | |
fixes magic_eq :: "nat ⇒ nat ⇒ bool" | |
assumes magic_eq_same: "⋀x. magic_eq x x" | |
begin | |
lemma magic_eq_blah: | |
"magic_eq x x ⟹ magic_eq x x" | |
by (simp only: magic_eq_same) |