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 |