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Ideas of Palle Yourgrau, by Text
[American, fl. 1985, Professor at Brandeis University.]
1985

Sets, Aggregates and Numbers

'A Fregean'

p.356

17817

Defining 'three' as the principle of collection or property of threes explains set theory definitions

'New Problem'

p.357

17818

How many? must first partition an aggregate into sets, and then logic fixes its number

'On Numbering'

p.358

17821

You can ask all sorts of numerical questions about any one given set

'Two'

p.356

17815

We can't use sets as foundations for mathematics if we must await results from the upper reaches

'What the'

p.359

17822

Nothing is 'intrinsically' numbered
