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Using the point Ma and the point Ha, construct a line a (rule W02);
% DET: points Ma and Ha are not the same
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Using the point Hc and the point Ma, construct a circle k(Ma,B) (rule W06);
% NDG: points Hc and Ma are not the same
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Using the circle k(Ma,B) and the line a, construct a point B and a point C (rule W04);
% NDG: line a and circle k(Ma,B) intersect
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Using the point Hc and the point B, construct a line c (rule W02);
% DET: points Hc and B are not the same
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Using the point Ha and the line a, construct a line ha (rule W10b);
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Using the line ha and the line c, construct a point A (rule W03);
% NDG: lines ha and c are not parallel
% DET: lines ha and c are not the same