The domain of the following predicates is the set of all plants.

Mathematics
Tutor: None Selected Time limit: 1 Day

Apr 11th, 2015

For any plant (x) that Jeff has eaten (P) x is not poisonous (not Q).
But there is no such variant, so re-formulate:

For any plant (x) that is poisonous (P) Jeff has NOT eaten it (not Q).

So, variant number 4,
(Ɐx)(P(x) => ¬Q(x)).

Apr 11th, 2015

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