why is it said that in set theory that set is an undefined term

Asked by  | 7th Apr, 2008, 06:20: PM

Expert Answer:

The "set" and "empty-set" are "undefined terms". Undefined terms are terms which cannot be rigorously defined. Rigorously defined means based on other mathematical definition. Mathemations need a place to start thus they chose the concept of the "set" as the place where everything else is defined. Note, it does not mean we cannot understand what a "set" is but rather we cannot "define" it properly.

Answered by  | 25th Jun, 2008, 02:43: PM

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