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g.carlyle04
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g.carlyle04
Wednesday, Jun 11

Quick tip for anyone struggling to find the sufficient and necessary conditions in examples that begin with an indicator (#2, 3, 5). Rewrite the question with the word "cannot."

Ex: No birds are trees.---> Birds CANNOT be trees. Then, the lawgic translation is B--> /T.

It works with the other examples as well: No holiday falls within the month of August= Holidays CANNOT fall within the month of August. (H--> /A) OR

August CANNOT have holidays. (A--> /H).

This worked much more intuitively for me than just figuring it out by myself. I guess you could also say that the negated necessary term will always be the second premise as well...Whatever works lol!

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