contestada

If we know that p → q is true and p is true, what do we know about q?

a. q is false
b. q is true
c. q must be negated
d. q could be either true or false

Respuesta :

harbilama
It will be true it will be false if p or q is fals
frika

Answer:

B

Step-by-step explanation:

If p and q are both true, then p→q is true.

If p is true, q is false, then p→q is false.

If p is false, q is true, then p→q is true.

If p and q are both false, then p→q is true.

So if you know that p→q and p are both true, then q must be true (because if q is false, then p→q must be false).  

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