MacDonald says, "For we mean by such an assertion that circumstances can be described both in which it would be true and in which it would be false. This merely expresses the accepted fact that all tautological propositions, i.e., all propositions which give information about the sensible world can be significantly denied."

Question

Quizplus · Accepted Answer

MacDonald's statement incorrectly describes tautological propositions. Tautological propositions are those that are true by necessity or by virtue of their logical form, not because they give information about the sensible world, and they cannot be significantly denied because their truth is independent of the state of the world.

MacDonald Says, "For We Mean by Such an Assertion That