e) Let X and Y be two finite sets with |X|=m and |Y|=n. If there is a bijection f: X → Y, then m=n. f) In a class of 33 students, there will be at least 5 that have the same final grade.
e) Let X and Y be two finite sets with |X|=m and |Y|=n. If there is a bijection f: X → Y, then m=n. f) In a class of 33 students, there will be at least 5 that have the same final grade.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.1: Sets And Geometry
Problem 12E: For the sets given in Exercise 9, is there a distributive relationship for intersection with respect...
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