Which Propositions Are Equivalent to Their Contrapositives

question 11

Multiple Choice

Which propositions are equivalent to their contrapositives?

• A)A and O
• B)E and I
• C)A and I
• D)I and O
• E)all categorical propositions

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Definitions:

Free Association

A psychoanalytic technique used to explore the unconscious by having patients reveal whatever thoughts, feelings, or images come to mind.

Psychoanalytic Patient

An individual undergoing psychoanalysis, a therapeutic technique originally developed by Freud, aimed at uncovering unconscious thoughts and behaviors.

Negative Criticism

Feedback or comments that express disapproval or highlight deficits and problems, often with the intention of prompting improvement.

Biomedical Therapy

A therapy (drug therapy, electroconvulsive therapy, or psychosurgery) that is based on the assumption that psychological disorders are symptoms of underlying physical problems.