Russell's own emotivist commitments, as noted by Ayer and Stevenson, entail that moral sentences primarily express attitudes, making the indicative/optative distinction a matter of convention rather than semantic depth.

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Key Terms

Ayer(The philosopher making the claim about necessary truths): A.J. Ayer was a 20th-century British philosopher who argued that statements are only meaningful if they can be verified through experience or are true by definition (like math).
Indicative(Contrasted with optative in the statement): A form of language that makes a claim or states a fact, like 'It is raining' (which can be true or false).
Moral sentences(The statement discusses what moral sentences express): Statements about right and wrong, like 'honesty is good' or 'cruelty is bad.'
Russell: # Russell Russell most commonly refers to **Bertrand Russell**, a highly influential British philosopher, logician, and social critic (1872-1970) who fundamentally changed how we think about logic, language, and knowledge. He's famous for showing that common-sense reasoning can contain hidden contradictions and for arguing that philosophy should use the precision of mathematics to solve problems. Russell also became a prominent public intellectual who wrote about everything from religion to nuclear weapons, making him one of the most important thinkers of the 20th century.

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Semantic depth(The statement suggests the indicative/optative distinction lacks semantic depth)

The meaningful difference between how two things fundamentally work or what they really mean at their core.

Stevenson(as a philosopher being referenced)

Charles Stevenson, a 20th-century philosopher who argued that moral disagreements often stem from different *feelings* or attitudes about something, not just different factual beliefs.

convention(Used to distinguish mere regularities from convention-governed regularities in the analysis of meaning.)

A regularity that obtains because there is something akin to an agreement among a group of people to keep the regularity in place.

emotivism(metaethics)

The account of ethical statements as expressions of emotive attitude rather than as cognitive claims

optative(Used to characterize how non-cognitivist theories treat evaluative terms in embedded/unasserted positions)

A semantic kind for expressions like 'X is good' when used in unasserted contexts, where the expression functions as an expression of desire or wish rather than a truth-apt claim

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Russell's own emotivist commitments, as noted by Ayer and Stevenson, entail that moral sentences primarily express attitudes, making the indicative/optative distinction a matter of convention rather than semantic depth.

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