alleryStart learning →Joining any statement p with a tautology by 'or' always yields
Ap
Bc
C~ p
Dt
Answer & Solution
Correct answer: D. t
An 'or' with an always-true statement is always true.
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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 likeSimplify p ∨ (p ∧ q) using absorption:Rewriting 'p if and only if q' using implications givesRewriting an implication p → q using only ~ and ∨ givesWhich statement is logically equivalent to p → q?