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Ideas of Jeffrey H. Sicha, by Text

[American, fl. 1968, At Amherst College.]

1968 Counting and the Natural Numbers
2 p.407 The essence of natural numbers must reflect all the functions they perform
2 p.407 Counting puts an initial segment of a serial ordering 1-1 with some other entities
3 p.410 To know how many, you need a numerical quantifier, as well as equinumerosity