Relationstabelle/Eigenschaften/3/Aufgabe

Bestimme, ob die durch die Relationstabelle

${}\,$	${}A$	${}B$	${}C$	${}D$
${}A$	${}\,$	${}\,$	${}\,$	${}\,$
${}B$	${}\,$	${}\times$	${}\,$	${}\times$
${}C$	${}\,$	${}\,$	${}\times$	${}\,$
${}D$	${}\,$	${}\times$	${}\,$	${}\times$

beschriebene Relation ${}R$ auf der Menge ${}\{A,B,C,D\}$ reflexiv, symmetrisch, transitiv, antisymmetrisch ist.

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