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Josiah, Martha and Kylie

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Josiah, Martha and Kylie

Consider the following conditional statements:

If Josiah makes a funny face, and Martha sees it, Martha will laugh.
Martha laughs if and only if she is amused.
If Martha is amused, she pokes Kylie.

If Martha did not poke Kylie, state all the things we can logically conclude.

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Problem by Mr. Twitchell


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