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

Virginia_61092 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.

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Naz 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-Annerino on June 19, 2019

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!