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2 DEC SS Q.39

39Under which of the conditions an argument may be valid? Select the correct answer from the code given below:
Statements: (A) When its conclusion and premises are true.
(B) Even when its conclusion and one or more of its premises are false.
(C) Only when its conclusion is true.
Code:
  • Option : A
  • Explanation : A valid argument is a deductive argument that succeeds in providing decisive logical support.
    An argument is VALID in case of the following hypothetical or conditional property:
    If all the premises are true, then the conclusion cannot be false; it must be true OR It is impossible for all the premises to be true but the conclusion false.
    This suggests that a valid argument cannot have all true premises and a false conclusion. So, if a valid argument does have a false conclusion, it cannot have all true premises. Thus, at least one premise must be false.
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