what is a number
number as the extension of a class of equinumerous classes
"The logicist foundations of mathematics",
Erkenntnis, pp. 91-121 (includes 2 other essays), 1931.
translated, p. 41-52 in Benacerraf, P., Putnam, H. (eds) Philosophy of mathematics, 2nd ed., Cambridge: Cambridge University Press 1983.
|42 ;;Quote: FregeG and RussellB see numbers as logical attributes of a concept; i.e., its cardinality
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Topic: what is a number (55 items)
Topic: number as the extension of a class of equinumerous classes (23 items)