Set notation: Difference between revisions

Content deleted Content added
Denoting a set as an object: The German for number is Nummer and refers to ordinals, the German for count is Zahl and refers to cardinals.
Denoting a set as an object: changed back because I don't know how to fix the link to the wrong page for "count"
Line 9:
:{{math|'''∅'''}} – [[empty set]] (also <math>\emptyset</math> or <math>\varnothing</math> or {{math|&#123;&#125;}} are common)
:{{math|'''N'''}} – [[natural number]]s
:{{math|'''Z'''}} – [[integer]]s (from ''Zahl'', German for ''[[countnumber]]'').
:{{math|'''Q'''}} – [[rational number]]s (from ''[[quotient]]'')
:{{math|'''R'''}} – [[real number]]s