What does extensionality mean?
Definitions for extensionality
ex·ten·sion·al·i·ty
This dictionary definitions page includes all the possible meanings, example usage and translations of the word extensionality.
Wiktionary
extensionalitynoun
The principle that objects are equal if and only if their observed properties are the same, regardless of internal processes that lead to those properties.
extensionalitynoun
The principle that functions are equal if and only if they operate on the same domain and for any given element of the domain the result of each of the functions is the same.
extensionalitynoun
The principle, codified in the axiom of extensionality, that sets are equal if and only if they contain the same elements.
Wikidata
Extensionality
In logic, extensionality, or extensional equality refers to principles that judge objects to be equal if they have the same external properties. It stands in contrast to the concept of intensionality, which is concerned with whether the internal definitions of objects are the same.
Numerology
Chaldean Numerology
The numerical value of extensionality in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of extensionality in Pythagorean Numerology is: 3
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"extensionality." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/extensionality>.
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