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• Std/basic

Impliez

Logical implication defined via if.

Since implies is a function, guards in the consequent must be verified without assuming the antecedent. impliez is a macro that expands to an if, so guards in the consequent can be verified assuming the antecedent.

Definitions and Theorems

Macro: impliez

(defmacro impliez (p q)
          (cons 'if (cons p (cons q '(t)))))