let R be non degenerated Ring; for n being Ordinal
for p being Polynomial of n,R holds (LM p) . (Lt p) = LC p
let n be Ordinal; for p being Polynomial of n,R holds (LM p) . (Lt p) = LC p
let p be Polynomial of n,R; (LM p) . (Lt p) = LC p
D:
Lt p is Element of Bags n
by PRE_POLY:def 12;
C:
dom (0_ (n,R)) = Bags n
by FUNCT_2:def 1;
B:
Lt p in dom ((Lt p) .--> (LC p))
by TARSKI:def 1;
LM p =
(0_ (n,R)) +* ((Lt p),(LC p))
by POLYNOM7:def 4
.=
(0_ (n,R)) +* ((Lt p) .--> (LC p))
by C, D, FUNCT_7:def 3
;
hence (LM p) . (Lt p) =
((Lt p) .--> (LC p)) . (Lt p)
by B, FUNCT_4:13
.=
LC p
by FUNCOP_1:72
;
verum