theorem Th59: :: POLYRED:59

for n being Ordinal
for T being connected TermOrder of n
for L being non trivial right_complementable almost_left_invertible well-unital distributive Abelian add-associative right_zeroed associative commutative doubleLoopStr
for P being Subset of (Polynom-Ring (n,L))
for f, g being Polynomial of n,L st PolyRedRel (P,T) reduces f,g holds
f - g in P -Ideal