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Another Statement Negation

jimophthojimophtho Member
in Logical Reasoning 16 karma
Statement reads:

"Rattlesnakes molt exactly once a year."

How would you negate this? Is is better to use one statement that says "Rattlesnakes do not molt exactly once a year" or is it better to split it into two that each say "Rattlesnakes molt less than once a year" and "Rattlesnakes molt at least twice a year"? Or is the first statement logically equivalent to the combination of the second and third? Thanks
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Comments

  • c.janson35c.janson35 Free Trial Inactive Sage Inactive ⭐
    2398 karma
    "Rattlesnakes do not molt exactly once a year", which could mean exactly what you said: more than once per year, or less than once per year.
  • LoraxManLoraxMan Alum Member
    180 karma
    Agreed that first statement is logically equivalent to first and third.

    @jimophtho I think most negations are pretty straightforward using a logical opposite along the lines of "it is not the case that" with the exception of situations where you need to negate a conditional statement (at least this is where I had the most trouble doing negations). In these conditional phrase cases you can use the "some...not..." format to find the logical opposite. For example to negate: "If one flies on a plane then one gets frequent flyer miles" we would say "some people that fly on planes do not get frequent flyer miles".

  • jimophthojimophtho Member
    16 karma
    Thank you guys. @LoraxMan your explanation was very helpful
  • LoraxManLoraxMan Alum Member
    180 karma
    @jimophtho glad it helped! The rattlesnake question is the very worst.
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