DennyQi's Log

Currying

(AB)C    ¬(AB)C    (¬A¬B)C    ¬A(¬BC)    A(BC)    ABC(imply是右结合的)\begin{aligned}&(A \land B)\to C\\ \iff & \neg( A\land B)\lor C \\ \iff & (\neg A \lor \neg B) \lor C \\ \iff & \neg A \lor (\neg B \lor C) \\ \iff & A \to (B \to C)\\ \iff & A\to B \to C & \text{(imply是右结合的)}\end{aligned}