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Using the point C and the point Ha, construct a line a (rule W02);
% DET: points C and Ha are not the same
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Using the point C and the point Tb, construct a line b (rule W02);
% DET: points C and Tb 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 b, construct a point A (rule W03);
% NDG: lines ha and b are not parallel
% DET: lines ha and b are not the same
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Using the point A, the point C, the point Tb and the line b, construct a point T`b (rule W19);
% NDG: points A and C are not the same points C and Tb are not the same points C and midpoint([A,Tb]) are not the same
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Using the point Tb and the point T`b, construct a circle k_over(Tb,T`b) (rule W09);
% NDG: points Tb and T`b are not the same
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Using the circle k_over(Tb,T`b) and the line a, construct a point Bwc and a point B (rule W04);
% NDG: line a and circle k_over(Tb,T`b) intersect