Other independent approaches to semantics are philosophical semantics and psychological semantics.
2.
The unit-idea methodology, intended to extract the basic idea within any philosophical work and movement, also has certain defining principles : 1 ) assumptions, 2 ) dialectical motives, 3 ) metaphysical pathos, and 4 ) philosophical semantics.
3.
In philosophical semantics or the philosophy of language, the'extension'of a concept or expression is the set of things it extends to, or applies to, if it is the sort of concept or expression that a single object by itself can satisfy.