Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

I need to prove/disprove the logical equivalences of the following statement using basic equivalences:

p→(q→r) and q→(p→r).

I can do everything apart from the proofs in my work :/

Thank you if you can help!

share|improve this question

1 Answer 1

up vote 1 down vote accepted

Hint: Use $A\to B = \lnot A\lor B$.

share|improve this answer
    
Worked a treat - thank you :) –  Omar Qassem Dec 2 '12 at 13:50

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.