Meaning of AFFIRMATION OF THE CONSEQUENT in English

AFFIRMATION OF THE CONSEQUENT

: the logical fallacy of inferring the truth of the antecedent of an implication from the truth of the consequent (as in, “if it rains, then the game is cancelled and the game has been cancelled, therefore it has rained”) — called also assertion of the consequent

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.