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picture theory of language
The picture theory of language, also known as the picture theory of meaning, is a theory of linguistic reference and meaning articulated by Ludwig Wittgenstein in the ''Tractatus Logico-Philosophicus''. Wittgenstein suggested that a meaningful proposition pictured a state of affairs or atomic fact.〔http://www.iep.utm.edu/wittgens/〕 Wittgenstein compared the concept of logical pictures (German ''Bild'') with spatial pictures. The picture theory of language is considered a correspondence theory of truth.
Wittgenstein claims there is an unbridgeable gap between what can be expressed in language and what can only be expressed in non-verbal ways. Picture theory of language states that statements are meaningful if they can be defined or pictured in the real world.
Wittgenstein's later practice-based theory of meaning laid out in the First Part of ''Philosophical Investigations'' refuted and replaced his earlier picture-based theory. However, the second psychology-focused Part of ''Philosophical Investigations'' employs the concept as a metaphor for human psychology.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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