alleryStart learning →Which phrase does NOT express the conditional p → q?
Ap is sufficient for q
Bq is necessary for p
Cp happens only if q
Dp happens if q
Answer & Solution
Correct answer: D. p happens if q
'p if q' means q → p, the converse; the other three all mean p → q.
Keep practising Mathematical Logic
Browse all Mathematical Logic questions for MHT-CET, or explore more Mathematics topics.
Related questions
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