theorem Th5: :: ANPROJ_1:5

for V being RealLinearSpace
for u, v, w being Element of V st u,v,w are_LinDep holds
( u,w,v are_LinDep & v,u,w are_LinDep & w,v,u are_LinDep & w,u,v are_LinDep & v,w,u are_LinDep )