Logic Review Flashcards
0
Q
Conjunction
A
“And”
1
Q
Disjunction?
A
“Or”
2
Q
Conditional?
A
“If, then”
3
Q
BiConditional?
A
“If, and only if”
4
Q
Contrapositive?
A
Logically equivalent (Negate both and switch positions)
5
Q
Inverse?
A
“Negate both”
6
Q
Converse?
A
Change order
7
Q
In a disjunction when is P v Q only false?
A
When both are false
8
Q
In a conjunction when is P ^ Q only true?
A
When both are true
9
Q
In a conditional when is P –> Q only false?
A
When T –> F
Tootie Fruity False
10
Q
In a BiConditional when is P Q only true?
A
When both statements are the same truth value.
11
Q
What do you do to two statements when you are asked to give the contra positive?
A
You switch the positions of the statements and negate.
~Q –> ~P = P –> Q
12
Q
When you are given two statements and asked to do the inverse…
A
Negate both, take out “not” or add “not”.
