first category

first category

[′fərst ′kad·ə‚gȯr·ē]
(mathematics)
A set is of first category if it is a countable union of nowhere dense sets.
A set S is of first category at a point x if there is a neighborhood of x whose intersection with S is of first category.
References in classic literature ?
The first category is always the man of the present, the second the man of the future.
No reason to; but take note that the mistake can only arise in the first category, that is among the ordinary people (as I perhaps unfortunately called them).
The first category is for fees paid to visit the doctor, the second for fees paid for tests, and the third for paying for a visit to the state hospital's accident and emergency department.
Studies have shown that first category and second category songs differ in ways other than just context and mode of presentation.
12] A Fuzzy set [lambda] in a Fuzzy topological space (X, T) is called Fuzzy first category if [lambda] = [[disjunction].
Michael became the first Category 3 storm of the hurricane season earlier Thursday, (http://usnews.
In the first category, which represents the small subscribers who subscribed for up to 100,000 shares, each subscriber was allocated 2000 shares.
Ahmed Sager Al Suwaidi, head of the competitions unit of the award, said Abdurrahman Al Ruwaini topped all contestants in the first category known as 'Quran Buds' which was open for only children aging 15 or below.
In the first category for the 18-30 age group for ladies, Nisreen Badour (fifth) and Johanna (eighth) were the winners.
Emirates NBD was able to achieve a very good rating in terms of Emiratisation as required, under the first category of banking sector, statement said.
Twenty-one contestants will take part in the first category (memorization of the entire Qur'an with tajwid and explanation of the meanings of words) and 49 in the second (memorization of the whole Qur'an with tajwid).
Mladenov and Mitreva suggested that the retirement age should increase until reaching 55 years for women and 58 years for men, working in the first category of work.

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