Chapter 9 Flashcards
1
Q
List the three kinds of hypothetical syllogisms.
A
Conditional syllogisms; disjunctive syllogisms; conjunctive syllogisms
2
Q
Give the valid form of a the Conjunctive Syllogism
1st Mood
A
Not both P and Q
P
Therefore, not Q
3
Q
Give the valid form of a the Conjunctive Syllogism
1st Mood
A
Not both P and Q
Q
Therefore, not P
4
Q
In disjunctive mood what are the two valid moods?
A
Affirming the First Conjunct; Affirming the Second Conjunct
5
Q
List the 3 pairs of words that go with the different kinds of hypothetical syllogisms
A
if … then (Conditional Syllogism); either … or (Disjunctive Syllogism); both … and (Conjunctive Syllogism)
6
Q
In disjunctive mood what are the two invalid moods?
A
Denying the First Conjunct; Denying the Second Conjunct
