Mathematics, 14.09.2019 05:30 dda69
Without using the truth table, prove that the following are tautologies: (i) ( a f ) --a (ii) - (p(x) - q(x)) - 3.(p(x) ^-q(x))
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Without using the truth table, prove that the following are tautologies: (i) ( a f ) --a (ii) - (p(...
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