Two statements are logically equivalent when their material equivalence is a -----
A) contradiction
B) contingent
C) conjunction
D) tautology
Correct Answer:
Verified
Q14: If B is true, Y is false
Q15: 'Either P or Q will be selected'
Q16: If A is true, X is false,
Q17: Bi-conditional proposition is a ----- proposition
A)implication
B)disjunction
C)simple
D)compound
Q18: _ symbol is used to connect statements
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Q21: The statement form with only false substitution
Q22: The statement form with only true substitution
Q23: 'p v q' is false if _.
A)only
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