Proofs that Really Count: The Art of Combinatorial Proof (Dolciani Mathematical Expositions) by Arthur Benjamin, Jennifer L. QuinnEnglish | November 13, 2003 | ISBN: 0883853337, 1470472597 | True PDF | 206 pages | 2.5 MB
Mathematics is the science of patterns, and mathematicians attempt to understand these patterns and discover new ones using a variety of tools. In Proofs That Really Count, award-winning math professors Arthur Benjamin and Jennifer Quinn demonstrate that many number patterns, even very complex ones, can be understood by simple counting arguments.