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@@ -1,6 +1,5 @@
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\documentclass[a4paper,9pt]{scrartcl}
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\usepackage{amssymb, amsmath} % needed for math
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-\usepackage{} % needed for math
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\usepackage[utf8]{inputenc} % this is needed for umlauts
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\usepackage[ngerman]{babel} % this is needed for umlauts
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\usepackage[T1]{fontenc} % this is needed for correct output of umlauts in pdf
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