(M ⊃ N) ⊃ [(N ⊃ O) ⊃ (M ⊃

question 188

Multiple Choice

(M ⊃ N) ⊃ [(N ⊃ O) ⊃ (M ⊃ O) ]
Which of the following propositions is a proper assumption for conditional proof to prove that the above wff is a logical truth of PL?

• A) (M ⊃ N) ⊃ [(N ⊃ O) ⊃ (M ⊃ O)]
• B) (M ⊃ N) ⊃ [(N ⊃ O) ⊃ M ]
• C) (M ⊃ N) ⊃ (N ⊃ O)
• D) M ⊃ N
• E) M

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Definitions:

Psychopathology

The scientific study of mental disorders, including their symptoms, etiology (causes), and treatment.

Seligman

A psychologist best known for his research on learned helplessness, optimism, and positive psychology.

Conditioned Response

A learned reaction or response to a previously neutral stimulus that has become associated with an unconditioned stimulus.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.