theorem LM180:
for
X,
Y being
RealNormSpace for
z being
Point of
[:X,Y:] holds
(
reproj1 z = ((IsoCPNrSP (X,Y)) ") * (reproj ((In (1,(dom <*X,Y*>))),((IsoCPNrSP (X,Y)) . z))) &
reproj2 z = ((IsoCPNrSP (X,Y)) ") * (reproj ((In (2,(dom <*X,Y*>))),((IsoCPNrSP (X,Y)) . z))) )