Difference between revisions of "Rational number"
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| − | A rational number is a quotient of the form <math>\frac{a}{b}</math> where ''a'', ''b'' are [[integer]]s and ''b'' ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a [[totally disconnected set]] that is not [[locally compact]]. | + | A '''rational number''' is a quotient of the form <math>\frac{a}{b}</math> where ''a'', ''b'' are [[integer]]s and ''b'' ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a [[totally disconnected set]] that is not [[locally compact]]. |
[[Category: Mathematics]] | [[Category: Mathematics]] | ||
Revision as of 17:56, July 14, 2007
A rational number is a quotient of the form <math>\frac{a}{b}</math> where a, b are integers and b ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a totally disconnected set that is not locally compact.