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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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Choose freely a point C on the line sc (rule WOnline1)
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Using the point C and the point I, construct a line m(CI) (rule W14);
% DET: points C and I are not the same
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Choose freely a point A (rule free)
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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 C, construct a line b (rule W02);
% DET: points A and C are not the same
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Using the point A and the point Tc, construct a line c (rule W02);
% DET: points A and Tc are not the same
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Using the point Mb and the line b, construct a line mb (rule W10b);
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Using the line mb and the line m(CI), construct a point Nb (rule W03);
% NDG: lines mb and m(CI) are not parallel
% DET: lines mb and m(CI) are not the same
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Using the point Nb and the point I, construct a line sb (rule W02);
% DET: points Nb and I are not the same
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Using the line c and the line sb, construct a point B (rule W03);
% NDG: lines c and sb are not parallel
% DET: lines c and sb are not the same