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单词 order
释义

order

(real numbers) The order < on the real numbers satisfies the following axioms; here x, y, z denote real numbers:

(i) (Trichotomy) Precisely one of x < y, y < x, x = y holds.
(ii) (Transitivity) If x < y and y < z, then x < z.
(iii) If x < y, then x + z < y + z.
(iv) If 0

Together with the field axioms, (i)–(iv) above, state R is an ordered field. Other examples are the rational numbers and the hyperreals. The real numbers also satisfy the completeness axiom and are the unique complete ordered field.

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更新时间:2025/4/29 19:54:42