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 __________ propositions, i.e., all propositions which give information about the sensible world can be significantly denied."

Question

Quizplus · Accepted Answer

MacDonald is referring to propositions that give information about the sensible world, which are empirical propositions. He is saying that all empirical propositions can be significantly denied, meaning that there are circumstances in which they would be false. Tautological propositions are always true by definition, metaphysical propositions are about concepts beyond the natural world, and absolute propositions are not necessarily related to the sensible world.

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