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Using the point Hb and the point Hc, construct a line HbHc (rule W02);
% DET: points Hb and Hc are not the same
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Using the point Hb and the point Tb, construct a line b (rule W02);
% DET: points Hb and Tb are not the same
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Using the point Hb and the line b, construct a line hb (rule W10b);
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Using the line b, the line HbHc, the point Tb, the point Hb and the point Hc, construct a line HaHb (rule W18);
% NDG: points Tb and Hb are not the same points Hb and Hc are not the same
% DET: points Hb and Tb are not the same
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Using the point Tb, the point Hb and the point Hc, construct a circle circle[Tb,Hc,angle[s[b]][c]] (rule W20);
% NDG: points Tb and Hb are not the same points Hb and Hc are not the same points Tb and Hc are not the same
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Using the circle circle[Tb,Hc,angle[s[b]][c]] and the line hb, construct a point Bca1 and a point B (rule W04);
% NDG: line hb and circle circle[Tb,Hc,angle[s[b]][c]] intersect
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Using the point B and the point Hc, construct a line c (rule W02);
% DET: points B and Hc are not the same
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Using the line b and the line c, construct a point A (rule W03);
% NDG: lines b and c are not parallel
% DET: lines b and c are not the same
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Using the point A and the point B, construct a point Mc (rule W01);
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Using the point Hb and the point Mc, construct a circle k(Mc,A) (rule W06);
% NDG: points Hb and Mc are not the same
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Using the circle k(Mc,A), the line HaHb, the point Mc and the point Hb, construct a point Ha (rule W05);
% NDG: line HaHb and circle k(Mc,A) intersect
% DET: points Hb and Ha must be different
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Using the point B and the point Ha, construct a line a (rule W02);
% DET: points B and Ha are not the same
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Using the line b and the line a, construct a point C (rule W03);
% NDG: lines b and a are not parallel
% DET: lines b and a are not the same