July 2010
Intermediate to advanced
576 pages
13h 3m
English
Content preview from Discrete Mathematics
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List of Symbols
| Symbol | Meaning |
|---|---|
Chapter One |
|
∈ |
belongs to, is an element of |
{a, b} |
set consisting of a and b |
∉ |
does not belong to, is not an element of |
R |
the set of real numbers |
Z |
the set of integers |
Z+ |
the set of positive integers |
N |
the set of natural numbers |
ɸ |
empty set, null set, void set |
⊆ |
set inclusion, is a subset of |
 |
is not a subset of |
⇔ |
if and only if |
P(A) |
the power set of the set A, the set of all subsets of the set A |
|A| |
the number of elements in the set A, cardinality of a finite set A |
U |
universal set, universe of discourse |
∪ |
union of sets |
∩ |
intersection of sets |
B − A |
relative complement of the ... |
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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.