Question
construct a truth table to determine whether each argument is valid. Be sure to state whether it is valid or invalid with each question.
1) ~p v q
p
____
triangle of dots p^~q
1) ~p v q
p
____
triangle of dots p^~q
Answers
invalid.
knowing something about ~p tells you nothing about p.
If it's not raining, I'll go to the store.
It's raining.
no telling whether you go to the store or not.
You <b>can</b> say that if you don't go to the store, it's raining. (contrapositive)
knowing something about ~p tells you nothing about p.
If it's not raining, I'll go to the store.
It's raining.
no telling whether you go to the store or not.
You <b>can</b> say that if you don't go to the store, it's raining. (contrapositive)