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Exercise 24

Avg difficulty 2.5

I make this assertion:

“X∧¬Y∧¬(Z⇒Q)X \wedge \neg Y \wedge \neg(Z \Rightarrow Q).”

And since I'm the professor, you can assume I'm correct about this. From this information alone, can you determine a unique set of values for the four variables? Or is there more than one possibility for them?

Davies, A Cool Brisk Walk Through Discrete Mathematics, Logic, Exercise 24

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Adapted from A Cool Brisk Walk Through Discrete Mathematics © 2023 Stephen Davies. Licensed under CC BY-SA 4.0. Source: A Cool Brisk Walk Through Discrete Mathematics. Imported at revision 4b9934b.