May 2014
Intermediate to advanced
350 pages
9h 55m
English
Content preview from Computing
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115
Chapter 14
Cardinality
One cannot begin to discuss the notion of cardinality without mentioning
sets. Philosophers and mathematicians have always used sets, e.g., alpha-
bet = {a, b, c, …, z}, N = the set of natural numbers, Q = the set of rational
numbers, R = the set of real numbers, etc. With sets, a natural question
arose: how many elements does a given set have? While this appears to be
a relatively easy question to answer, that is not quite so. Consider a set of
elements where it is dicult, if not impossible, to determine if a specic
element is or is not a member. How does one count the elements of such
a set? Another apparently eas ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.