LessonsConjunctive Syllogisms with Conditional PropositionsQuiz

النتيجة في القياس تتبع أدون المقدمتين في الكيف والكم
A syllogistic conclusion follows the weaker premise in quality and quantity.

In quality, negation is weaker than affirmation: a valid syllogism with one negative premise has a negative conclusion. In quantity, particularity is weaker than universality: when one premise is particular, a valid conclusion cannot be stronger in quantity.

The source recalls this principle at the transition to conditional syllogisms. It describes the conclusion of a valid inference, not a substitute for proving validity.

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The weaker-premise principle recalled

Conjunctive Syllogisms with Conditional Propositions

النتيجة في القياس تتبع أدون المقدمتين في الكيف والكم
A syllogistic conclusion follows the weaker premise in quality and quantity.

In quality, negation is weaker than affirmation: a valid syllogism with one negative premise has a negative conclusion. In quantity, particularity is weaker than universality: when one premise is particular, a valid conclusion cannot be stronger in quantity.

The source recalls this principle at the transition to conditional syllogisms. It describes the conclusion of a valid inference, not a substitute for proving validity.