Chapter 2 Flashcards
(18 cards)
A valid argument must have all true premises.
NO, FALSE.
A sound argument must have all true premises.
YES, TRUE.
Every argument with all true premises and a true conclusion is valid.
NO, FALSE.
Every argument with all true premises and a false conclusion is invalid.
YES, TRUE.
A sound argument must be valid.
YES, TRUE.
A valid argument must be sound.
NO, FALSE.
A valid argument cannot have a false conclusion.
NO, FALSE.
An unsound argument must be invalid.
NO, FALSE.
An unsound argument must have at least one false premise.
NO, FALSE.
A ______ argument is a valid argument with all premises.
SOUND
A _______ argument always has a true conclusion.
SOUND
Sound arguments are only arguments that give us good reasons to believe their conclusions.
NO, FALSE.
By definition, every ____ argument with an unstated premise is valid.
DEDUCTIVE
By definition, every inductive argument with an unstated premise is compelling.
NO, FALSE.
The order of the simpler statements matters in _________.
CONDITIONAL
The phrase “only if” introduces the ______ of a conditional.
CONSEQUENT
A sufficient condition is the _____ of a conditional.
ANTECEDENT
When contrast words and phrases such as ‘but’ and ‘even though’ express a logical relationship, the logical relationship they express is _____.
CONJUCTION
