
theorem
for L being Abelian add-associative right_zeroed right_complementable
            unital distributive non empty doubleLoopStr
for p1,p2 being Polynomial of L
for x being Element of L
st x is_a_common_root_of p1,p2 holds x is_a_root_of -(p1 + p2)
by Th13,Th14;
