Combining Texts

Ideas for 'Individuals without Sortals', 'fragments/reports' and 'Begriffsschrift'

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4 ideas

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / d. Counting via concepts

17518

Counting 'coin in this box' may have coin as the unit, with 'in this box' merely as the scope [Ayers]

17516

If counting needs a sortal, what of things which fall under two sortals? [Ayers]

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / f. Mathematical induction

17855

It may be possible to define induction in terms of the ancestral relation [Frege, by Wright,C]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory

10607

Frege's logic has a hierarchy of object, property, property-of-property etc. [Frege, by Smith,P]