Answer to Question #104272 in Discrete Mathematics for Gayatri Yadav

Discrete Mathematics

Question #104272

‘A is sufficient for B’ is equivalent to ‘the negative of A is necessary for the
negative of B’.

Expert's answer

"A \\implies B \\equiv (\\lnot A \\lor B) \\\\ \\equiv (B\\lor \\lnot A)\\equiv (\\lnot B)\\implies\\lnot A"

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