Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.2 - Cardinality - Exercises: 61

Answer

The cardinal number is a product...

Work Step by Step

The Cartesian product of two sets, $A$ and $B$, The set of all ordered pairs $(a,b)$ with $a\in A$ and $b\in B$: A$\times B=\{(a, b)|a\in$A and $b\in B\}$ The cardinal number of such a set is $\mathrm{n}(\mathrm{A})\cdot n(B) $ ( a product ) giving the idea the idea for Cartesian PRODUCT . (Also, "Cartesian" is in the honor of Rene Descartes, a pioneer in algebraic (analytical) geometry)
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