Combining Philosophers

Ideas for Stilpo, Bernecker / Dretske and B Russell/AN Whitehead

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6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / i. Reals from cuts

18248	A real number is the class of rationals less than the number [Russell/Whitehead, by Shapiro]
	Full Idea: For Russell the real number 2 is the class of rationals less than 2 (i.e. 2/1). ...Notice that on this definition, real numbers are classes of rational numbers.
	From: report of B Russell/AN Whitehead (Principia Mathematica [1913]) by Stewart Shapiro - Thinking About Mathematics 5.2