4 ideas
18085 | Values that approach zero, becoming less than any quantity, are 'infinitesimals' [Cauchy] |
18084 | When successive variable values approach a fixed value, that is its 'limit' [Cauchy] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
15640 | Courage is not a virtue, but the form of every virtue at its testing point [Lewis,CS] |