theorem Th48: :: BILINEAR:48
for K being non empty right_complementable Abelian add-associative right_zeroed well-unital distributive associative doubleLoopStr
for V, W being VectSp of K
for f being bilinear-Form of V,W holds
( QForm f = RQForm (LQForm f) & QForm f = LQForm (RQForm f) )