Determine Whether the Argument Is Valid or Invalid $\lor$

question 276

Multiple Choice

determine whether the argument is valid or invalid. If it is invalid, select a counterexample.
-1. A ⊃ (B $\lor$ ∼C)
2) A ≡ (B $\lor$ C) / ∼B ⊃ ∼A

• A) Valid
• B) Invalid. Counterexample when A, B, and C are true
• C) Invalid. Counterexample when B and C are true and A is false
• D) Invalid. Counterexample when A and C are true and B is false
• E) Invalid. Counterexample when A is true and B and C are false

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Definitions:

Cognitive-Behavioral

Relating to a type of psychotherapy that combines cognitive therapy techniques with behavioral therapy techniques to modify dysfunctional emotions, behaviors, and thoughts.

Maladaptive Assumptions

Irrational or unhelpful beliefs that are often the basis of dysfunctional thought processes and behaviors.

Antisocial Personality Disorder

A disorder where an individual exhibits a long-term pattern of manipulating, exploiting, or violating the rights of others, often criminal in nature.

Paranoid Personality Disorder

A type of mental disorder characterized by pervasive distrust and suspicion of others' motives, leading to significant social and interpersonal problems.