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Discrete Structures, Logic, and Computability, 4th Edition by James L. Hein

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Symbol Glossary

Each symbol or expression is listed with a short definition and the page number where it first occurs. The list is ordered by page number.

d | n d divides n with no remainder  6
x ∈ S x is an element of S  19
x ∉ S x is not an element of S  19
ellipsis  19
the empty set  19
N natural numbers  20
Z integers  20
Q rational numbers  21
R real numbers  21
{x | P} set of all x satisfying propert P  21
A ⊆ B A is a subset of B  21
A ⊂ B A is a proper subset of B  21
AB A union B  24
AB A intersection B  25
A - B difference: elements in A but not B   27
A ⊕ B symmetric difference: (A - B) ∪ (B - A)  27
A’ complement of A  28
|A| cardinality of A  30
[a, b, b, a] bag, or multiset, of four ...

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