lean4-htt/tests/lean/run/1208.lean
Leonardo de Moura 9f6e71b374 feat(library/tactic): add "approximate" parameter to apply_core and rewrite_core
If this parameter is set to true, then approximate unification is
used.

closes #1208
2016-12-10 10:24:05 -08:00

2 lines
152 B
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

lemma foo {α : Type*} {f : αα} (a : α) : f a = f a := rfl
example {X : Type} (h : X → X) (x₀ : X) : h x₀ = h x₀ := by apply (foo x₀)