predimension
词形变化
释义与例句
-
1.
The result of a function on a group of sets, where the function satisfies three conditions: (1) it returns 0 for the empty set; (2) if one set is contained in another set, the function always returns a value that is less than or equal to the result for the containing set; (3) the result for the union of two sets is less than or equal to the sum of the results for each of those sets individually minus the result for their intersection.
数学
词源
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂-der. Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Proto-Indo-European *meh₁- Proto-Italic *mētis Latin mētior Latin dīmētior Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin dīmēnsiōder. English dimension English predimension From pre- + dimension.
来源：wiktionary