Which of the following statements is logically equivalent to the statement No saints are materialists?
ANo materialists are saints ✓ Correct
BSome materialists are saints
CAll non-materialists are non-saints
DSome non-materialists are non-saints
Correct answer: (A) No materialists are saints
Explanation
The logically equivalent proposition is no materialists are saints.
The given proposition is the E form, no saints are materialists.
An E proposition converts simply, its subject and predicate exchanging places.
Its converse, no materialists are saints, keeps exactly the same truth value.
Simple conversion of an E proposition preserves logical equivalence.
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