Which of the following uses of language are neither true nor false? A.…

Concept

A sentence is truth-evaluable only when it asserts a proposition that can correspond, or fail to correspond, to facts. Language can also guide action or express a speaker attitude; those uses perform functions rather than assert propositions.

Application

• Directive discourse (A) is action-guiding: it requests, commands, advises, or otherwise seeks a response.

• Emotive discourse (B) expresses or evokes feelings and attitudes.

• Informative discourse (C) states or reports propositions and therefore belongs to the assertion-making use.

Applying this distinction, A and B are the non-assertive uses, whereas C is the truth-evaluable use.

Contrast

• A Only leaves out emotive discourse even though expressing an attitude is also non-assertive.

• A and C Only includes informative discourse, which makes factual claims, and leaves out emotive discourse.

• B and C Only includes informative discourse and leaves out directive discourse.

Result

The required combination is A and B Only.