LessonsTypes of Qiyas: Istithna’i and IqtiraniQuiz

Invalid pattern: If it rains, the road becomes wet; the road is wet; therefore it rained. Other causes, such as washing the road, can explain the wetness. “If P then Q” does not mean “Q only if P.” This is the fallacy of affirming the consequent.

Opening interactive controls...

A common error: affirming the consequent

Types of Qiyas: Istithna’i and Iqtirani

Invalid pattern: If it rains, the road becomes wet; the road is wet; therefore it rained. Other causes, such as washing the road, can explain the wetness. “If P then Q” does not mean “Q only if P.” This is the fallacy of affirming the consequent.