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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 Defining 'three' as the principle of collection or property of threes explains set theory definitions
'New Problem' p.357 How many? must first partition an aggregate into sets, and then logic fixes its number
'On Numbering' p.358 You can ask all sorts of numerical questions about any one given set
'Two' p.356 We can't use sets as foundations for mathematics if we must await results from the upper reaches
'What the' p.359 Nothing is 'intrinsically' numbered