Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adv. In terms or by means of extension

from The Century Dictionary and Cyclopedia

  • From the point of view of logical extension; with reference to the number of the contained individual objects: opposed to intensionally. See extension, 5.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

extensional +‎ -ly

Examples

  • That valuable and valued things are extensionally equivalent is a substantive (and quite controversial!) claim.

    The Volokh Conspiracy » Big First Amendment win in United States v. Stevens

  • That valuable and valued things are extensionally equivalent is a substantive and quite controversial! claim.

    The Volokh Conspiracy » Big First Amendment win in United States v. Stevens

  • Certainly, the structuralist faces a challenge in articulating her views to contemporary philosophers schooled in modern logic and set theory, which retains the classical framework of individual objects, and where a structure is just a particular set, namely a set of objects, and a set of relations, where the latter are thought of extensionally as just sets of ordered pairs (or more generally n-tuples in the case of n-place relations).

    Structural Realism

  • Timaeus 'opening question (“What is that which always is and never becomes ¦?”) can be read extensionally (“What entity or entities are such that they always are and never become ¦?”) or intensionally (“What is it for some entity always to be and never to become ¦?”).

    Plato's Timaeus

  • Moreover, these notions of correctness can differ even extensionally, i.e., give different verdicts regarding the correctness of individual beliefs.

    The Normativity of Meaning and Content

  • Since God's will is uncorrupted by self-interest or passion, divine volitions and moral commands are extensionally equivalent.

    Samuel Clarke

  • Generalizing, such a view would entail arranging the respective spheres in such a way that any intensionally impossible world is closer to @ than any extensionally impossible one.

    Impossible Worlds

  • I have, however, worked extensively and possibly extensionally in the Mojave Desert, in the past, when The Desert, and the whole state of California, was a little more open to minerals exploration and mining.

    Mojave Desert

  • Their paradoxical characteristics, as dialetheists stress, are due exactly to the intuitive features of ordinary language: unavoidable self-reference; failure of metalinguistic hierarchies producing only languages that are expressively weaker than English; and the obvious presence of a truth predicate for English, ˜is true™, which is characterized (at least extensionally) by the Tarskian T-schema.

    Dialetheism

  • The definition “Water is H2O,” for example, is intensionally adequate because the identity of water and H2O is necessary (assuming the Kripke-Putnam view about the rigidity of natural-kind terms); the definition is therefore extensionally adequate also.

    Definitions

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