let F1 be Field; for F2 being F1 -homomorphic F1 -monomorphic Field
for h being Monomorphism of F1,F2
for p, q being Element of the carrier of (Polynom-Ring F1) st p divides q holds
(PolyHom h) . p divides (PolyHom h) . q
let F2 be F1 -homomorphic F1 -monomorphic Field; for h being Monomorphism of F1,F2
for p, q being Element of the carrier of (Polynom-Ring F1) st p divides q holds
(PolyHom h) . p divides (PolyHom h) . q
let h be Monomorphism of F1,F2; for p, q being Element of the carrier of (Polynom-Ring F1) st p divides q holds
(PolyHom h) . p divides (PolyHom h) . q
let p, q be Element of the carrier of (Polynom-Ring F1); ( p divides q implies (PolyHom h) . p divides (PolyHom h) . q )
assume AS:
p divides q
; (PolyHom h) . p divides (PolyHom h) . q
reconsider pp = p, qq = q as Polynomial of F1 ;
consider rr being Polynomial of F1 such that
B:
pp *' rr = qq
by AS, RING_4:1;
reconsider r = rr as Element of the carrier of (Polynom-Ring F1) by POLYNOM3:def 10;
p * r = q
by B, POLYNOM3:def 10;
then C:
(PolyHom h) . q = ((PolyHom h) . p) * ((PolyHom h) . r)
by FIELD_1:25;
reconsider pe = (PolyHom h) . p, qe = (PolyHom h) . q, re = (PolyHom h) . r as Polynomial of F2 ;
qe = pe *' re
by C, POLYNOM3:def 10;
hence
(PolyHom h) . p divides (PolyHom h) . q
by RING_4:1; verum