'2 mn relations' diaporamas de présentation

Chapter 5 Relations and Functions

Discrete and Combinatorial Mathematics R. P. Grimaldi , 5 th edition, 2004. Chapter 5 Relations and Functions. Relations. For sets A and B, its Cartesian product ( cross product ) is the set of all ordered pairs (a,b) where a ? A and b ? B. In symbols A ? B = {(a, b) | a ? A and b ? B}

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