List of Import References :
See BOOL
See DENOTATION
SIGNATURE Union4[data1: SORT, data2: SORT, data3: SORT, data4: SORT]
$Date: 2010-09-30 18:24:17 +0200 (Do, 30. Sep 2010) $ ($Revision: 616 $)
-- disjoint union of four types -- Parameter SORT data1 data2 data3 data4 TYPE union == data1(cont1: data1) data2(cont2: data2) data3(cont3: data3) data4(cont4: data4)
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