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Using the point Hb and the point H, construct a line hb (rule W02);
% DET: points Hb and H are not the same
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Using the point Hb and the line hb, construct a line b (rule W10a);
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Choose freely a point C on the line b (rule WOnline2)
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Using the point C and the point H, construct a line hc (rule W02);
% DET: points C and H are not the same
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Choose freely a point A on the line b (rule WOnline1)
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Using the point A and the point C, construct a point Mb (rule W01);
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Using the point A and the point Mb, construct a circle k(Mb,C) (rule W06);
% NDG: points A and Mb are not the same
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Using the circle k(Mb,C), the line hc, the point Mb and the point C, construct a point Hc (rule W05);
% NDG: line hc and circle k(Mb,C) intersect
% DET: points C and Hc must be different
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Using the point Hc and the point A, construct a line c (rule W02);
% DET: points Hc and A are not the same
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Using the line hb and the line c, construct a point B (rule W03);
% NDG: lines hb and c are not parallel
% DET: lines hb and c are not the same