Rules of Inference Flashcards
memorize
1
Q
A
Modus Ponens
2
Q
A
Modus Tollens
3
Q
A
Hypothetical Syllogism (Transitivity)
4
Q
A
Disjunctive Syllogism
5
Q
A
addition
6
Q
A
Simplification
7
Q
A
Conjunction
8
Q
A
Resolution
9
Q
A declarative sentence (that is, a sentence that declares a fact) that is either true or false, but not both.
A
Proposition
10
Q
p ^ q
A
conjunction
11
Q
p v q
A
disjunction
12
Q
converse, contrapositive, or inverse? p –> q, q –> p
A
converse
13
Q
converse, contrapositive, or inverse? p –> q, ¬q –> ¬p
A
contrapositive
14
Q
converse, contrapositive, or inverse? p –> q, ¬p –> ¬q
A
inverse
15
Q
A compound proposition that is always true, no matter what the truth values of the propositional variables that occur in it
A
tautology