Talk:Characteristic Function of Union
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- $(1):\quad \chi_{A \cup B} = \chi_A \chi_B$
... really?
- $(1):\quad \chi_{A \cup B} = 1 - (1 - \chi_A) (1 - \chi_B)$
more like? --prime mover 19:11, 12 March 2012 (EDT)
- Not what Schilling gives, but thanks anyway for noticing; corrected. --Lord_Farin 19:13, 12 March 2012 (EDT)