r807

Let P be a point of the Stammler hyperbola, A'B'C' its circumcevian triangle, X the intersection of {PBC'} and {PCB'}, Y and Z defined analogously. Then the lines AX, BY, CZ concur at a point lying in the conic circumscribed to the cevian triangles of the isogonals of X(115) and X(125).


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