Argument Schemas Flashcards
1
Q
Modus Ponens
A
If A then B
A
B
2
Q
Modus Tollens
A
If A, then B
Not B
Not A
3
Q
Double negation elimination
A
Not not A
A
4
Q
Disjunctive syllogism
A
A or B or C …
Not A
Not B
C
5
Q
Disjunction Elimination
A
A or B
If A then C
If B then C
C
6
Q
Affirming the consequent
INVALID
A
If A then B
B
A
7
Q
Denying the Antecedent
INVALID
A
If A then B
Not A
Not B
