Principle of compositionality

Part of a series on
Linguistics
Outline History Index
General linguistics Diachronic Lexicography Morphology Phonology Pragmatics Semantics Syntax Syntax–semantics interface Typology
Applied linguistics Acquisition Anthropological Applied Computational Conversation analysis Corpus linguistics Discourse analysis Distance Documentation Ethnography of communication Ethnomethodology Forensic History of linguistics Interlinguistics Neurolinguistics Philology Philosophy of language Phonetics Psycholinguistics Sociolinguistics Text Translating and interpreting Writing systems
Theoretical frameworks Formalist Constituency Dependency Distributionalism Generative Glossematics Functional Cognitive Construction grammar Functional discourse grammar Grammaticalization Interactional linguistics Prague circle Systemic functional Usage-based Structuralism
Topics Autonomy of syntax Compositionality Conservative and innovative language Descriptivism Etymology Iconicity Internationalism Internet linguistics LGBTQ linguistics Origin of language Orismology Orthography Philosophy of linguistics Prescriptivism Second-language acquisition Theory of language Terminology
Portal
v t e

In semantics, mathematical logic and related disciplines, the principle of compositionality is the principle that the meaning of a complex expression is determined by the meanings of its constituent expressions and the rules used to combine them. The principle is also called Frege's principle, because Gottlob Frege is widely credited for the first modern formulation of it. However, the principle has never been explicitly stated by Frege,^[1] and arguably it was already assumed by George Boole^[2] decades before Frege's work.

The principle of compositionality (also known as semantic compositionalism) is highly debated in linguistics. Among its most challenging problems there are the issues of contextuality, the non-compositionality of idiomatic expressions, and the non-compositionality of quotations.^[3]