Guidelines for constructing new Bonjour hotels: A hotel is to have a radiant floor heating system installed if a radi...

JosephRocco August 16, 2022

Question # 21 - Bonjour Hotel

I got this one correct; however, I want to know why I got it correct. Should you diagram the logic out for this stimulus? Basically, how I diagrammed it was like this: RFCS OR LH ----> RFHS NOT RFCS ---> HH Contrapositive: NOT RFHS ----> NOT RFCS AND NOT LH Contrapositive: NOT HH ---> RFCS Answer Choice A: NOT RFCS ---> NOT NC AND NOT LH Contrapositive: NC OR LH ---> RFCS None of these match the stimulus so Answer Choice "A" is out. Answer Choice C: NOT RFCS ---> NOT LH AND RFHS Contrapositive: LH OR NOT RFHS ---> RFCS None of these match the stimulus so Answer Choice "C" is out. Answer Choice D: NOT RFHS AND NOT RFCS ---> LH AND HH Contrapositive: NOT LH AND NOT HH ---> RFHS OR RFCS None of these match the stimulus so Answer Choice "D" is out. Answer Choice E: RFCS AND RFHS ---> LH AND NOT HH Contrapositive: NOT LH OR HH ---> NOT RFCS OR NOT RFHS None of these match the stimulus so Answer Choice "E" is out. Answer Choice B: NOT RFCS ---> HH This is the contrapositive in our diagram, thus making Answer Choice B correct. Is the logic here correct?

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Emil-Kunkin September 12, 2022

Hi, I think you may have flipped the logic in our second statement- we are told that we should not put in a RC if it is HHS, so we could diagram that as

If HHS-> Not RC
If RC -> Not HHS

This would enable us to prove B correct.