Q. “If a statement is true, then it is implied by any statement whatever” is symbolized as
✅ Correct Answer: (B)
p Ͻ (q Ͻ p)
Symbolic Logic MCQs and Notes
Q. An argument form is valid if and only if it’s expression in the form of a conditional statement is ……………
✅ Correct Answer: (C)
a tautology
Q. . p . q) is logically equivalent to …………………………………..
✅ Correct Answer: (C)
p v q
Q. p v q) is logically equivalent to ………………………………..
✅ Correct Answer: (A)
p . q
Q. …………………. statements have the same meaning and may be substituted for one another
✅ Correct Answer: (B)
Logically equivalent
Q. Two statements are ………………… when their material equivalence is a tautology
✅ Correct Answer: (C)
logically equivalent
Q. Statement forms that have both true and false statements among their substitution instances are called ……………………………………………..
✅ Correct Answer: (B)
contingent statement forms
Q. A statement form that has only true substitution instances is called ……………………
✅ Correct Answer: (A)
a “ tautologous statement form “ or a “ tautology”
Q. ’statement form from which the statement results by substituting a different simple statement for each different statement variable’ is called ……………………..
✅ Correct Answer: (D)
the specific form of a given statement
Q. Fallacy of Denyingthe Antecedent- is symbolized as
✅ Correct Answer: (C)
P Ͻ q