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Unformatted text preview: nction f: AB can be onetoone.
Red
Spring Orange
Yellow
Green f Summer Blue
Indigo • Argument by contradiction Fall
Winter – If the conclusion is false, each pigeonhole
contains at most one pigeon, and, in this case, we
thi
can account for at most k pigeons. Since there are
n pigeons and n>k, we have a contradiction. Violet CS204 Discrete Math (Fall 2009) [email protected] 5 CS204 Discrete Math (Fall 2009) [email protected] 6 Pigeonhole Principle
• If f is a function from a finite set X to a finite
set Y and X > Y, then f(x1) = f...
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This note was uploaded on 04/15/2013 for the course MAS 223 taught by Professor Shin during the Spring '13 term at Korea Advanced Institute of Science and Technology.
 Spring '13
 Shin

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