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Using the point B and the point Ta, construct a line a (rule W02);
% DET: points B and Ta are not the same
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Using the point B and the point Tc, construct a line c (rule W02);
% DET: points B and Tc are not the same
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Using the line c, the point Ta, the point B, the point Tc and the line a, construct a line sb (rule W17);
% NDG: points B and Tc are not the same points Ta and B are not the same
% DET: points B and Ta are not the same
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Using the point Ta, the point B and the point Tc, construct a circle circle[Tc,Ta,angle[s[c]][s[a]]] (rule W20);
% NDG: points Ta and B are not the same points B and Tc are not the same points Tc and Ta are not the same
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Using the circle circle[Tc,Ta,angle[s[c]][s[a]]] and the line sb, construct a point Bsa and a point I (rule W04);
% NDG: line sb and circle circle[Tc,Ta,angle[s[c]][s[a]]] intersect
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Using the point I and the point Ta, construct a line sa (rule W02);
% DET: points I and Ta are not the same
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Using the point Tc and the point I, construct a line sc (rule W02);
% DET: points Tc and I are not the same
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Using the line a and the line sc, construct a point C (rule W03);
% NDG: lines a and sc are not parallel
% DET: lines a and sc are not the same
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Using the line c and the line sa, construct a point A (rule W03);
% NDG: lines c and sa are not parallel
% DET: lines c and sa are not the same