3.2. Prove the Pigeonhole Principle (Example 3.19) by induction on |Y| instead of on \X}. Example 3.19. Iff:X→Y and \X| > |Y], then there are elements x , x3 € X such that x, #x2 and f(x)=f(x2).
3.2. Prove the Pigeonhole Principle (Example 3.19) by induction on |Y| instead of on \X}. Example 3.19. Iff:X→Y and \X| > |Y], then there are elements x , x3 € X such that x, #x2 and f(x)=f(x2).
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.2: Determinants
Problem 21EQ
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