Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Ren Descartes and Boethius

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6 ideas

6. Mathematics / A. Nature of Mathematics / 1. Mathematics

2252	Surely maths is true even if I am dreaming? [Descartes]

2430	I can learn the concepts of duration and number just from observing my own thoughts [Descartes]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers

13445

Descartes showed a one-one order-preserving match between points on a line and the real numbers [Descartes, by Hart,WD]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / a. Units

24035

Unity is something shared by many things, so in that respect they are equals [Descartes]

24036

I can only see the proportion of two to three if there is a common measure - their unity [Descartes]

6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / c. Against mathematical empiricism

21963

It is possible that an omnipotent God might make one and two fail to equal three [Descartes]