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假设我定义了这个集合。
Inductive Set_1 : Set := | Constr_1 : Set_1 | Constr_2 : Set_1.
能证明这个说法吗?
(Constr_1 = Constr_2) = False
如果是这样,我使用什么策略?这可能对autorewrite.
autorewrite
(A <-> B) -> A = B称为命题外延性,由经典逻辑隐含。
(A <-> B) -> A = B
但是你不需要它来使用与autorewrite,的等价物Require Import Coq.Setoids.Setoid。
Require Import Coq.Setoids.Setoid