Which of the following is the contrapositive form of 'No S are P'?

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Prepare for the Traditional Logic Memoria Press Test. Optimize your learning with flashcards and in-depth explanations to boost your exam readiness.

Multiple Choice

Which of the following is the contrapositive form of 'No S are P'?

Explanation:
In this kind of logic, contrapositive is formed by negating both terms and swapping their positions. Starting with No S are P, swap the terms to get No P are S, then negate both terms to produce No non-P are non-S. This is the standard contrapositive form for a universal negative in traditional syllogistic. Interpreted, No non-P are non-S means no object is both not-P and not-S; equivalently, anything not-P must be S. Among the options, this is the form that results from applying the contrapositive rule to the original statement.

In this kind of logic, contrapositive is formed by negating both terms and swapping their positions. Starting with No S are P, swap the terms to get No P are S, then negate both terms to produce No non-P are non-S. This is the standard contrapositive form for a universal negative in traditional syllogistic.

Interpreted, No non-P are non-S means no object is both not-P and not-S; equivalently, anything not-P must be S. Among the options, this is the form that results from applying the contrapositive rule to the original statement.

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