alleryStart learning →The negation of a statement p is written
Ap ∧ p
Bp → p
C~ p
Dp ↔ p
Answer & Solution
Correct answer: C. ~ p
The tilde sign is the symbol for negation, true exactly when p is false.
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The lamp in a parallel circuit of two switches is off only whenIn switching tests, the value 1 stands for a switch that isTwo switches wired side by side, in parallel, act likeTwo switches wired one after another, in series, act likeJoining any statement p with a tautology by 'or' always yieldsSimplify p ∨ (p ∧ q) using absorption:Rewriting 'p if and only if q' using implications givesRewriting an implication p → q using only ~ and ∨ gives