reserve n for Nat;

theorem m00:
for R being domRing,
    S being non empty finite Subset of R
for p being Ppoly of R,S holds deg p = card S
proof
let R be domRing, S be non empty finite Subset of R;
let p being Ppoly of R,S;
thus deg p = card (Bag S) by dpp .= card S by UPROOTS:13;
end;
