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Positiver Abschluss
Referenced in
formale Sprache
Positiver Abschluss
L
+
:
=
⋃
i
≥
1
L
i
L^{+}:=\bigcup_{i \geq 1} L^{i}
L
+
:
=
⋃
i
≥
1
​
L
i
Positiver Abschluss