Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Extensionality" Definition
noun
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.
Source: Wiktionary
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.
Source: Wiktionary
The principle, codified in the axiom of extensionality, that sets are equal if and only if they contain the same elements.
Source: Wiktionary
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