theorem Th05:
for
a11,
a12,
a13,
a21,
a22,
a23,
a31,
a32,
a33 being
Element of
F_Real for
A being
Matrix of 3,
F_Real st
A = <*<*a11,a12,a13*>,<*a21,a22,a23*>,<*a31,a32,a33*>*> holds
(
Line (
A,1)
= <*a11,a12,a13*> &
Line (
A,2)
= <*a21,a22,a23*> &
Line (
A,3)
= <*a31,a32,a33*> )