Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mathematics The state of being a set.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

set +‎ -hood

Examples

  • All these big collections that implement the collection of all cardinals (or of all ordinals etc.) are nevertheless sets, so there are questions arising from their sethood that we can ask about them, and some of these questions have no parallel in ZF.

    Quine's New Foundations

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