Hi guys,

I was working through PT25/S3/Q7 when I read this phrase and wondered, "is it a biconditional?"

"warranted" means "sufficient", so to re-phrase the statement would be: "X can be sufficient only when Y"

X---> Y

Y-->X

Please correct me if I'm wrong!

Thank u!

(Happy Valentine's Day!)

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4 comments

  • Wednesday, Feb 14 2018

    @hbochjk116 said:

    @hbochjk116 said:

    Y is described as something that warrants X.

    Warrant means sufficient so I thought it also means Y---> X.

    I believe "warrant" is geared more toward necessity rather than sufficiency. So per your logic it would mean X -> Y, not the other way around.

    Besides, I think you were reading too much into "warrant." If the sentence was a biconditional it would use a phrase like "but not otherwise."

    thanks so much @hbochjk116 . I read too much into it! next time i'll try to identify "but not otherwise" when determining the existence of biconditionals. :)

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  • Wednesday, Feb 14 2018

    @hbochjk116 said:

    Y is described as something that warrants X.

    Warrant means sufficient so I thought it also means Y---> X.

    I believe "warrant" is geared more toward necessity rather than sufficiency. So per your logic it would mean X -> Y, not the other way around.

    Besides, I think you were reading too much into "warrant." If the sentence was a biconditional it would use a phrase like "but not otherwise."

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  • Wednesday, Feb 14 2018

    Oops! Thanks for pointing that out ahh

    It is actually PT31 S3 Q7 LR!

    I read the statement as saying, 'the only thing that warrants X is Y.

    X-->Y

    Y is described as something that warrants X.

    Warrant means sufficient so I thought it also means Y---> X.

    Does this make sense at all?

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  • Wednesday, Feb 14 2018

    Are you sure you entered the right PT # and such? PT 25, S3, Q7 is an Analytic Reasoning question that doesn't seem to have a "warranted... only" phrase.

    Context notwithstanding, I think you are partially right. "X can be warranted only by Y" would be "X -> Y." I really don't think it can be Lawgicked as "Y -> X" though. Would you mind explaining your thought process?

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