Chapter 07 Level 2 Quiz

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. A conditional is false only when the antecedent is ________.

false and the consequent is false correct incorrect

true and the consequent is true correct incorrect

true and the consequent is false correct incorrect

false and the consequent is true correct incorrect

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. In a conditional statement, "unless" means "if not" and introduces ________.

a negation correct incorrect

the conjunct correct incorrect

the consequent correct incorrect

the antecedent correct incorrect

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. It is impossible for a valid argument to have true premises and ________.

a false conclusion correct incorrect

a true conclusion correct incorrect

a negated conclusion correct incorrect

a conditional correct incorrect

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. The truth value of a compound statement depends on the truth values of ________.

its components correct incorrect

the rest of the argument correct incorrect

its disjuncts correct incorrect

the conclusion correct incorrect

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. "It is not the case that the car is red and the truck is blue." This statement can be symbolized by ________.

~ p & q correct incorrect

~ (p v q) correct incorrect

~ p &~ q correct incorrect

~ (p & q) correct incorrect

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. The symbolization for a conjunction is ________.

p q correct incorrect

p & q correct incorrect

p v q correct incorrect

~ p correct incorrect

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. Even if one of the statements is false in a disjunction, as long as at least one of the disjuncts is true, the whole disjunction is still________.

false correct incorrect

true correct incorrect

negated correct incorrect

both true and false correct incorrect

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.

"Aiming that loaded gun at someone is not a good idea." This statement is symbolized by ________.

p q correct incorrect

p v q correct incorrect

p & q correct incorrect

~p correct incorrect

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. "Either disembodied spirits exist, or psychic hoaxes are rampant." This statement is symbolized by ________.

~ p correct incorrect

p q correct incorrect

p v q correct incorrect

p & q correct incorrect

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. A conditional statement is true when ________.

the antecedent is true and the consequent is true correct incorrect

the antecedent is false and the consequent is true correct incorrect

the antecedent is false and the consequent is false correct incorrect

all of the above correct incorrect

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. "Mitch Marner is a hockey player, while Kawhi Leonard is a basketball player." This statement is symbolized by ________.

~ p correct incorrect

p q correct incorrect

p v q correct incorrect

p & q correct incorrect

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. In the truth table for disjunction, in the column under p v q we write ________.

T, F, F, F correct incorrect

T, T, T, F correct incorrect

T, F, T, T correct incorrect

F, F, F, T correct incorrect

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. In the truth table for conjunction, in the column under p & q we write ________.

T, F, F, F correct incorrect

T, T, T, F correct incorrect

T, F, T, T correct incorrect

F, F, F, T correct incorrect

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. In the truth table for conditional statements, in the column under p ? q we write ________.

T, F, F, F correct incorrect

T, T, T, F correct incorrect

T, F, T, T correct incorrect

F, F, F, T correct incorrect

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. "Justin Smoak is not a hockey player; moreover, he is not a basketball player." This statement is symbolized by ________.

~p & ~q correct incorrect

~(p & q) correct incorrect

p & q correct incorrect

~ p v ~ q correct incorrect

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. In a three-variable truth table, there are six rows.

True correct incorrect

False correct incorrect

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. If just one statement in a conjunction is false, the whole conjunction is still true.

True correct incorrect

False correct incorrect

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. If only one statement in a disjunction is true, the whole disjunction is false.

True correct incorrect

False correct incorrect

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. The symbol used to indicate a disjunction is &.

True correct incorrect

False correct incorrect

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. Propositional logic uses symbols to stand not just for statements but also for the relationshipsbetween predicates.

True correct incorrect

False correct incorrect

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. Two simple statements joined by a connective to form a compound statement are known as a disjunction.

True correct incorrect

False correct incorrect

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. In a conjunction, we assert that either p or q is true (though both might be) and that even if one of the statements is false, the whole conjunction is still true.

True correct incorrect

False correct incorrect

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. A negation is the denial of a statement.

True correct incorrect

False correct incorrect

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. "If the cat is on the mat, then the rat will stay home." This statement is an example of a disjunctive statement.

True correct incorrect

False correct incorrect

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. A conditional statement is false if and only if its antecedent is false and its consequent is false.

True correct incorrect

False correct incorrect

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. It is impossible for a valid argument to have true premises and a false conclusion.

True correct incorrect

False correct incorrect

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. The short method of argument evaluation is generally unwieldy.

True correct incorrect

False correct incorrect

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. In propositional logic, we use symbols to stand for the relationships between statements.

True correct incorrect

False correct incorrect

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. A conjunction is false if at least one of its statement components (conjuncts) is false.

True correct incorrect

False correct incorrect

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. It is possible for a valid argument to have true premises and a false conclusion.

True correct incorrect

False correct incorrect