f0f9880ece
new design for elim_match I still need to fix lemma generation, and refactor induction/subst tactics
4 lines
121 B
Text
4 lines
121 B
Text
set_option new_elaborator true
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lemma ex4 (A : Type) : ∀ (a b : A) (H : a = b), b = a
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| .z z (eq.refl .z) := eq.refl z
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