Mathematics, 05.11.2019 03:31 alesyabursevich
Find a compound proposition involving the propositional variables p, q, and r that is true when exactly two of p, q, and r are true and is false otherwise. [hint: form a dis- junction of conjunctions. include a conjunction for each combination of values for which the compound proposi- tion is true. each conjunction should include each of the three propositional variables or its negations.]
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