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Mengenlehre

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Mengen - Einführung

Mengen werden beschrieben durch

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

Spezielle Mengen

<math> \mathbb{N} </math> Natürliche Zahlen
<math> \mathbb{Z} </math> Ganze Zahlen
<math> \mathbb{Q} </math> Rationale Zahlen
<math> \mathbb{R} </math> Reelle Zahlen
<math> \mathbb{C} </math> Komplexe Zahlen


Mengenrelationen

Relationen sind ...

Teilmenge

!verbessern <math> M_1 \subseteq M_2\ :\ n \in M_1 \Rightarrow n \in M_2 </math>

Durchschnitt

Vereinigung

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This page was last modified on 23 January 2006, at 22:06.
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