Q. A general proposition is formed from a propositional function by placing either a universal or an existential __________before it.
✅ Correct Answer: (B)
quantifier
Symbolic Logic MCQs and Notes
Q. Conjunction, Disjunction,Implication and biconditional are called Truth ________ connectives
✅ Correct Answer: (D)
functional
Q. If (∃x ) Mx is true, then (∃x ) ~Mx is ____________
✅ Correct Answer: (B)
true or false
Q. Name the rule of replacement (P ≡ q)≡ [(p.q) v (~p.~q)]
✅ Correct Answer: (B)
Material Equivalence
Q. The negation of the conjunction of two statements is logically equivalent to __________ of their negation.
✅ Correct Answer: (A)
disjunction
Q. By _______________, the left-hand conjunct can be switched over to the right-hand
✅ Correct Answer: (D)
commutation
Q. A statement can be replaced only by a statement logically __________to it .
✅ Correct Answer: (C)
equivalent
Q. By using symbols, we can ___________the validity of an argument quickly and accurately
✅ Correct Answer: (B)
determine
Q. Raju and Manu will both not win is symbolised as
✅ Correct Answer: (D)
~R.~M