Set notation: Difference between revisions

Revision as of 01:38, 10 June 2014

Revision as of 09:58, 24 October 2014

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:{{math|'''Q'''}} – [[rational number]]s (from ''[[quotient]]'')

:{{math|'''R'''}} – [[real number]]s

:{{math|'''Z'''}} – [[integer]]s (from ''ZahlZah'', German for ''[[integer]]'').

:{{math/

Some authors use the [[blackboard bold]] font for these particular sets (<math>\mathbb{C}</math>, <math>\mathbb{N}</math>, etc.). This usage is widely accepted in handwriting, but many mathematicians, and such experts on mathematical typography as [[Donald Knuth]], advise against its use in print.<ref>Krantz, S., ''Handbook of Typography for the Mathematical Sciences'', Chapman & Hall/CRC, Boca Raton, Florida, 2001, p. 35.</ref>