lean4-htt/tests/lean/run/1594_comment_issue.lean at 35b99aafb2e5042d90afca93e3125869ef0432ec - max/lean4-htt - maxgit: wireguard access, git repository.

max/lean4-htt

Leonardo de Moura 3c306d0a7b fix(library/equations_compiler/elim_match): forward dependency checking

See comment at #1594

This commit is not fixing the issue, but a problem described in one of
the comments.

2017-06-20 11:29:23 -07:00

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 variables (A : Type) (f : A → ℕ → A) [has_mul A]
 open nat
 theorem thm' (a : A) : ∀ m n, f a m * f a n = f a n * f a m
 | 0 n := sorry
 | m 0 := sorry
 | (succ m) (succ n) :=
  have h : f a m * f a n = f a n * f a m, from thm' _ _,
  sorry