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Mengenlehre

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[edit] Mengen - Einführung

Mengen werden beschrieben durch

  • Aufzählung (z.B. M1 = {0,1,2,3...}
  • Angabe eines Bildungsgesetzes (z.B. M_1 = \lbrace n \in \mathbb{N} \vert 0 \le n \le 9 \rbrace

[edit] Spezielle Mengen

 \mathbb{N} Natürliche Zahlen
 \mathbb{Z} Ganze Zahlen
 \mathbb{Q} Rationale Zahlen
 \mathbb{R} Reelle Zahlen
 \mathbb{C} Komplexe Zahlen


[edit] Mengenrelationen

Relationen sind ...

[edit] Teilmenge

!verbessern  M_1 \subseteq M_2\ :\  n \in M_1 \Rightarrow n \in M_2

[edit] Durchschnitt

[edit] Vereinigung

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This page was last modified on 23 January 2006, at 22:06. - This page has been accessed 5,131 times.
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