If an ordinary truth table is constructed for a valid argument, then:
A) There may be one line that has true premise(s) and false conclusion.
B) There is no line that has true premise(s) and false conclusion.
C) There must be at least one line that has true premise(s) and false conclusion.
D) There must be at least one line that has true premise(s) and true conclusion.
E) There must be exactly one line that has true premise(s) and true conclusion.

Question

Quizplus · Accepted Answer

If an argument is valid, then there can be no line in the truth table where all premises are true and the conclusion is false. This is because a valid argument by definition guarantees that if the premises are true, then the conclusion must be true as well. Therefore, option B is the correct choice.

If an Ordinary Truth Table Is Constructed for a Valid