Combining Texts

All the ideas for 'The Problem of Empty Names', 'Against the Mathematicians' and 'Cours d'Analyse'

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5 ideas

5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
18946 Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / k. Infinitesimals
18085 Values that approach zero, becoming less than any quantity, are 'infinitesimals' [Cauchy]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / l. Limits
18084 When successive variable values approach a fixed value, that is its 'limit' [Cauchy]
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / b. Basic beliefs
20795 Some things are their own criterion, such as straightness, a set of scales, or light [Sext.Empiricus]
13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique
20794 How can sceptics show there is no criterion? Weak without, contradiction with [Sext.Empiricus]