Validity (relevant) Flashcards
1
Q
When is argument valid?
A
Just in case the premises of the argument entail the conclusion
2
Q
If the premises are true…
A
The conclusion can’t be false
3
Q
How to test validity?
A
Is there any way that the conclusion could be false (regardless of whether the premises aren’t true)
4
Q
Do premises have to be true to be valid?
A
No
5
Q
When is an argument sound?
A
When the argument is valid and all the premises are true