Logic Flashcards
1
Q
Conditional statements
A
p –> q (if p then q)
2
Q
Inverse
A
~p –> ~q (if not p then not q)
3
Q
Converse
A
q –> p (switch the conclusion and the hypothesis)
4
Q
Contrapositive
A
~q –> ~p (if not q then not p)
5
Q
Biconditional statement
A
p <–> q, (p if and only if q)
6
Q
Biconditional statements are only true when-
A
Both conditional and converse statements are true.
7
Q
Law of detachment
A
When given a conditional statement, if the hypothesis is true then the conclusion if true. p –> q, p therefore q
8
Q
Law of syllogism
A
Allows you to draw a conclusion from 2 conditional statements in which the conclusion of the first statement is the hypothesis of the second statement
9
Q
V
A
Or/union
10
Q
A
A
And/intersection