October 1996 LSAT Section 4 Question 15

Rhonda will see the movie tomorrow afternoon only if Paul goes to the concert in the afternoon. Paul will not go to t...

Virginia on August 9, 2015

Diagramming

I got the right answer but Can you diagram answer choice B so I can check whether I diagrammed it correctly please.

2 Replies

Melody on September 1, 2015

No problem!

"Gary will do his laundry tomorrow only if Peter has to go to work."

So: if Gary does his laundry tomorrow, then Peter has to go to work.

P1: GLT ==> PHGW
not PGHW ==> not GLT

"Unless Cathy is ill, Peter will not have to go to work."

So: if Peter will have to go to work, then Cathy is ill.

P2: PHGW ==> CI
not CI ==> not PHGW

"Since Cathy is not ill,"

P3: not CI

"Gary will not do his laundry tomorrow."

C: not GLT

Hope that helps! Please let us know if you have any other questions.

Lizzie on June 19 at 07:22PM

I found this question really challenging. I was fairly confident the answer was C. If possible, could you diagram C and help me figure out where I went wrong? Thank you so much!