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In page Eudoxus of Cnidus:

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His work on proportions shows insight into irrational numbers and the linear continuum: it allows rigorous treatment of continuous quantities and not just whole numbers or even rational numbers. When it was revived by Tartaglia and others in the 16th century[citation needed], it became the basis for quantitative work in science, and inspired Richard Dedekind's work on the real numbers.[6]