let n be Ordinal; for T being connected TermOrder of n
for L being non trivial right_complementable almost_left_invertible well-unital distributive add-associative right_zeroed associative commutative doubleLoopStr
for f, g being Polynomial of n,L
for P, Q being Subset of (Polynom-Ring (n,L)) st P c= Q & f reduces_to g,P,T holds
f reduces_to g,Q,T
let T be connected TermOrder of n; for L being non trivial right_complementable almost_left_invertible well-unital distributive add-associative right_zeroed associative commutative doubleLoopStr
for f, g being Polynomial of n,L
for P, Q being Subset of (Polynom-Ring (n,L)) st P c= Q & f reduces_to g,P,T holds
f reduces_to g,Q,T
let L be non trivial right_complementable almost_left_invertible well-unital distributive add-associative right_zeroed associative commutative doubleLoopStr ; for f, g being Polynomial of n,L
for P, Q being Subset of (Polynom-Ring (n,L)) st P c= Q & f reduces_to g,P,T holds
f reduces_to g,Q,T
let f, g be Polynomial of n,L; for P, Q being Subset of (Polynom-Ring (n,L)) st P c= Q & f reduces_to g,P,T holds
f reduces_to g,Q,T
let P, Q be Subset of (Polynom-Ring (n,L)); ( P c= Q & f reduces_to g,P,T implies f reduces_to g,Q,T )
assume A1:
P c= Q
; ( not f reduces_to g,P,T or f reduces_to g,Q,T )
assume
f reduces_to g,P,T
; f reduces_to g,Q,T
then
ex p being Polynomial of n,L st
( p in P & f reduces_to g,p,T )
by POLYRED:def 7;
hence
f reduces_to g,Q,T
by A1, POLYRED:def 7; verum