Skip to main content\(\usepackage{cancel}
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\def\Z{\mathbb Z}
\def\Q{\mathbb Q}
\def\R{\mathbb R}
\def\C{\mathbb C}
\def\U{\mathcal U}
\def\x{\mathbf{x}}
\def\y{\mathbf{y}}
\def\X{\mathcal{X}}
\def\Y{\mathcal{Y}}
\def\pow{\mathcal P}
\def\inv{^{-1}}
\def\st{:}
\def\iff{\leftrightarrow}
\def\Iff{\Leftrightarrow}
\def\imp{\rightarrow}
\def\Imp{\Rightarrow}
\def\isom{\cong}
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\)
Appendix C List of Symbols
| Symbol |
Description |
Location |
| \(\therefore\) |
“therefore” |
Example 1.1.3 |
| \(P, Q, R, S, \ldots\) |
propositional (sentential) variables |
Paragraph |
| \(\wedge\) |
logical “and” (conjunction) |
Item |
| \(\vee\) |
logical “or” (disjunction) |
Item |
| \(\neg\) |
logical negation |
Item |
| \(K_n\) |
the complete graph on \(n\) vertices |
Paragraph |
| \(K_n\) |
the complete graph on \(n\) vertices. |
Item |
| \(K_{m,n}\) |
the complete bipartite graph of \(m\) and \(n\) vertices. |
Item |
| \(C_n\) |
the cycle on \(n\) vertices |
Item |
| \(P_n\) |
the path on \(n+1\) vertices |
Item |
| \(\chi(G)\) |
the chromatic number of \(G\)
|
Paragraph |
| \(\Delta(G)\) |
the maximum degree in \(G\)
|
Paragraph |
| \(\chi'(G)\) |
the chromatic index of \(G\)
|
Paragraph |
| \(N(S)\) |
the set of neighbors of \(S\text{.}\)
|
Paragraph |
| \(\B^n_k\) |
the set of length \(n\) bit strings with weight \(k\text{.}\)
|
Item |
| \((a_n)_{n \in \N}\) |
the sequence \(a_0, a_1, a_2, \ldots\)
|
Paragraph |
| \(T_n\) |
the \(n\)th triangular number |
Item |
| \(F_n\) |
the \(n\)th Fibonacci number |
Exercise 2 |
| \(\Delta^k\) |
the \(k\)th differences of a sequence |
Paragraph |
| \(\emptyset\) |
the empty set |
Item |
| \(\U\) |
universe set (domain of discourse) |
Item |
| \(\N\) |
the set of natural numbers |
Item |
| \(\Z\) |
the set of integers |
Item |
| \(\Q\) |
the set of rational numbers |
Item |
| \(\R\) |
the set of real numbers |
Item |
| \(\pow(A)\) |
the power set of \(A\)
|
Item |
| \(\{, \}\) |
braces, to contain set elements. |
Item |
| \(\st\) |
“such that” |
Item |
| \(\in\) |
“is an element of” |
Item |
| \(\subseteq\) |
“is a subset of” |
Item |
| \(\subset\) |
“is a proper subset of” |
Item |
| \(\cap\) |
set intersection |
Item |
| \(\cup\) |
set union |
Item |
| \(\times\) |
Cartesian product |
Item |
| \(\setminus\) |
set difference |
Item |
| \(\bar{A}\) |
the complement of \(A\)
|
Item |
| \(\card{A}\) |
cardinality (size) of \(A\)
|
Item |
| \(A\times B\) |
the Cartesian product of \(A\) and \(B\)
|
Paragraph |
| \(f(A)\) |
the image of \(A\) under \(f\text{.}\)
|
Paragraph |
| \(f\inv(B)\) |
the inverse image of \(B\) under \(f\text{.}\)
|
Paragraph |
