1) Which law describes how negation distributes over conjunctions and disjunctions? a) Commutative Law b) Associative Law c) DeMorgan’s Laws d) Exploitation Law 2) A compound proposition that is always false, regardless of the truth values of its components, is called a _______. a) Tautology b) Contingency c) Contradiction d) Identity 3) The _______ law states that a proposition remains unchanged when repeated in a disjunction or conjunction. a) Identity Law b) Idempotent Law c) Commutative Law d) Negation Law 4) The _______ law states that a double negation cancels itself out, meaning ~ ( ~p) ≡ p. a) Involution Law b) Identities 5) Which law states that the order of elements in a conjunction or disjunction does not affect the result? a) Associative Law b) Commutative Law c) Idempotent Law d) Absorption Law 6) Which of the following laws states that the grouping of propositions does not affect the result in conjunctions or disjunctions? a) Associative Law b) Commutative Law c) Identity Law d) Exponential Law e) Murphy's Law f) Law and Order 7) Which law allows breaking down complex conditional statements? a) Exponential Law b) Exclamation Law c) Exportation Law d) Exploitation Law 8) Which of the following describes the process of reversing the truth value of a proposition using the symbol ¬ or ~ ? a) disjunction b) conjunction c) negation d) bicondition 9) These laws deal with propositions that are always true or always false. a) Identity Laws b) Commutative Laws c) Associative Laws d) Absorption Laws 10) A proposition that is neither always true nor always false is called a _______. a) Contradiction b) Contingency c) Tautology d) None of the above

Lesson 2: Propositional Logic Pre-test (Multiple Choice)

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