1.5: Argument Forms, Proving Invalidity Flashcards
1
Q
What is an argument form?
A
arrangement of letters and words to form an argument
2
Q
What is an argument that has the same order as an argument form?
A
Substitution Instance
3
Q
What does the counterexample method do?
A
Proves invalidity
4
Q
What is the counterexample method made of?
A
a substitution instance with true premises and a false conclusion