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Full Idea
A precise language is often assigned a classical semantics, in which the semantic value of a name is its referent, the semantic value of a predicate is its extension (the objects of which it is true), and the value of a sentence is True or False.
Gist of Idea
Classical semantics has referents for names, extensions for predicates, and T or F for sentences
Source
Kit Fine (Vagueness: a global approach [2020], 1)
Book Ref
Fine,Kit: 'Vagueness: a global approach' [OUP 2020], p.6
A Reaction
Helpful to have this clear statement of how predicates are treated. This extensionalism in logic causes trouble when it creeps into philosophy, and people say that 'red' just means all the red things. No it doesn't.