Language Use: Studies of Meaning
There is also a long tradition in the study of what it means to say that a word or sentence 'means' a particular thing and how these meanings are conveyed when we communicate with each other. Two popular ideas about what meanings are go back to the ancient Greeks: One is that meanings are mental representations of some sort; another is that the meaning of an expression is purely a function of how it is used. Both ideas have launched research programs that are active today. They have been joined by a third approach, building on work by philosophers such as Gottlob Frege and Bertrand Russell, which applies formal methods derived from logic and attempts to equate the meaning of an expression with reference and the conditions under which it might be judged to be true or false. Other linguists have been looking at the cognitive principles underlying the organization of meaning, including the basic metaphoric processes that some claim to see at the heart of grammar. And still others have been examining the ways that sentences are tied together to form coherent discourse.