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characteristic_function [2014/03/21 11:11]
127.0.0.1 external edit
characteristic_function [2014/04/08 14:48] (current)
nikolaj
Line 3: Line 3:
 | @#55CCEE: context ​    | @#55CCEE: $X$ | | @#55CCEE: context ​    | @#55CCEE: $X$ |
 | @#55CCEE: context ​    | @#55CCEE: $A\subseteq X$ | | @#55CCEE: context ​    | @#55CCEE: $A\subseteq X$ |
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 | @#FFBB00: definiendum | @#FFBB00: $\chi_A:​X\to \{0,1\} $ | | @#FFBB00: definiendum | @#FFBB00: $\chi_A:​X\to \{0,1\} $ |
 | @#FFBB00: definiendum | @#FFBB00: $ \chi_A(x) := \begin{cases} 1 & \mathrm{if}\ x\in A\\\\ 0 & \mathrm{else} \end{cases}$ | | @#FFBB00: definiendum | @#FFBB00: $ \chi_A(x) := \begin{cases} 1 & \mathrm{if}\ x\in A\\\\ 0 & \mathrm{else} \end{cases}$ |
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