Q. Raju is either sick or lazy is an example for
✅ Correct Answer: (C)
disjunction
Symbolic Logic MCQs and Notes
Q. An invalid argument form is one that has at least one substitution_________ with true premises and a false conclusion
✅ Correct Answer: (C)
Instance
Q. Any conditional with a true antecedent and a false consequent must ____________
✅ Correct Answer: (C)
negation
Q. When two statements are combined disjunctively by inserting the word ‘or’ between
✅ Correct Answer: (B)
disjunction
Q. The statement Roses are red and leafs are green is a _________________ a) Conjunction b) Negation c) Disjunction d) Conditional
✅ Correct Answer: (A)
part
Q. The truth value of the ____________ of two statements is completely determined by the truth value of its conjuncts.
✅ Correct Answer: (D)
conjunction
Q. The truth value of _______ statement is true.
✅ Correct Answer: (B)
true
Q. Conjunctions are truth functionally ____________ statements.
✅ Correct Answer: (A)
compound
Q. Arguments, however are not properly characterized as being either true or false but valid and _________.
✅ Correct Answer: (D)
vague
Q. Inductive arguments involve the claim only that their premises provide __________ grounds for their conclusions.
✅ Correct Answer: (B)
essential