reserve a,b,c,d,e,f for Real,
        k,m for Nat,
        D for non empty set,
        V for non trivial RealLinearSpace,
        u,v,w for Element of V,
        p,q,r for Element of ProjectiveSpace(V);

theorem Th14:
   for A being Matrix of F_Real holds MXR2MXF MXF2MXR A = A
   proof
     let A be Matrix of F_Real;
     MXR2MXF MXF2MXR A = MXF2MXR A by MATRIXR1:def 1;
     hence thesis by MATRIXR1:def 2;
   end;
