## Philosophy Lexicon of Arguments | |||

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Books on Amazon |
I 170 Def Equinumerousness/Frege/Meixner: f is a property that is equinumerous with the property g, = Def for at least one two-digit relation R applies: - 1) Every entity that has f is in the relation R with exactly one entity that has g - 2) If entities that have f are different, so are entities with g - 3) inverse of 1: every entity that has g. - Number: can then be defined noncircularly: x is a natural number = Def x is a finite number property - Number/Meixner: conceived as a property they are typeless functions |
Mei I U. Meixner Einführung in die Ontologie Darmstadt 2004 |

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Ed. Martin Schulz, access date 2017-05-30