extensional

(redirected from extensionalism)
Also found in: Dictionary, Thesaurus.

extensional

Extensional properties, e.g. extensional equality, relate to the "black-box" behaviour of an object, i.e. how its output depends on its input. The opposite is intensional which concerns how the object is implemented.
References in periodicals archive ?
Discussions range over (A) philosophy at Harvard in the early 1930s, (B) naturalism, (C) naturalized epistemology, (D) "Two Dogmas of Empiricism", (E) extensionalism, and (F) ontological relativity.
The third topic worth emphasizing is the interesting, if difficult, discussion regarding extensionalism, properties, and events.
Following the lead of Rudolf Carnap, post-war analytic philosophers proposed to avert the problem by shifting from an existentially geared extensionalism to one of possibilia.