Recent content by lostinspace89

I am not sure that the path I have chosen is correct. I feel like the entire question can be answered with one proof if that proof were to satisfy the requirements of question 2b. It could be applied as the answer to question 2a

Are you asking me if I am trying to prove the negation of (A&B)? I am trying to prove the conclusion -B

This is what I have so far. At this point I am unsure of where to go next: -[A&B] A -[B&C] A [A v C] A -A Line 1, &O -[A v B] Line 4, vI -B Line 2, &O -[B v C] Line 5, vI

Ok, thanks for your help. Is there anyone out there willing to help guide me to finding a solution...

I do not understand the question enough to make a valid attempt as this is why I posted it in this forum...

This is a two part question my book gives as practice problem. I, however am struggling to construct logical proofs and the book does not have a key. Thanks in Advance! 2a. Construct a proof, using any method (or rules) you want, that the following argument is valid: Premises (3): –...