(sciences, of a theory) a highly simplified model used to explore systems qualitatively

(neurology, mathematics) The use of mathematical models to calculate the electric current and accompanying voltage along passive neurites, particularly the dendrites that receive synaptic inputs at different sites and times.

(political science, sociology) Any theory that centres its gaze, analysis, and interpretation around human action. E.g. rational choice theory, phenomenology, etc.

Ideas that are not supported by mainstream scholarship.

Synonym of white replacement theory.

(grammar) The original Chomskyan model of generative grammar, based around two different representations of a sentence (deep structure and surface structure) linked by transformational grammar.

(metaphysics) An alternative to standard possible worlds semantics in which an individual can exist in only one world, while other possible worlds contain (different) counterparts to that individual, and in which the modality operators (necessity, possibility) are replaced by quantifiers over possible worlds.

(linguistics) A particular approach to the architecture of the language organ, based on the principle that the syntactic relation 'X complement of Y' is identical to an inverse-order morphological relation 'X specifier of Y'.

Alternative form of X-bar theory

Abbreviation of attainable region theory.