标题中,我找不到足够的工具来解决这个琐碎的事情:
p : (A, B) = (C, D) ------------ A = C /\ B = D
我怎么证明呢?
就知道了。是pair_equal_spec:
pair_equal_spec
Proof. intros. apply pair_equal_spec. assumption. Qed.