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Using the point Ha and the point Ta, construct a line a (rule W02);
% DET: points Ha and Ta are not the same
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Choose freely a point Ma on the line a (rule WOnline1)
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Using the point Ma and the line a, construct a line ma (rule W10b);
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Using the point Ha and the line a, construct a line ha (rule W10b);
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Choose freely a point A on the line ha (rule WOnline2)
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Using the point A and the point Ta, construct a line sa (rule W02);
% DET: points A and Ta are not the same
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Using the line ma and the line sa, construct a point Na (rule W03);
% NDG: lines ma and sa are not parallel
% DET: lines ma and sa are not the same
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Using the point A and the point Na, construct a line m(ANa) (rule W14);
% DET: points A and Na are not the same
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Using the line m(ANa) and the line ma, construct a point O (rule W03);
% NDG: lines m(ANa) and ma are not parallel
% DET: lines m(ANa) and ma are not the same
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Using the point A and the point O, construct a circle k(O,C) (rule W06);
% NDG: points A and O are not the same
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Using the circle k(O,C) and the line a, construct a point C and a point B (rule W04);
% NDG: line a and circle k(O,C) intersect