Question: 1. Let p, q, r, and s be propositional variables. Which of the following expressions would not be correct formulas of propositional logic? Why? (a)

1. Let p, q, r, and s be propositional variables. Which

1. Let p, q, r, and s be propositional variables. Which of the following expressions would not be correct formulas of propositional logic? Why? (a) pVpvp (e) p?png

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