author | ballarin |
Thu, 28 Nov 2002 10:50:42 +0100 | |
changeset 13735 | 7de9342aca7a |
parent 11779 | 1aa328cb273a |
child 13936 | d3671b878828 |
permissions | -rw-r--r-- |
7998 | 1 |
(* |
2 |
Universal property and evaluation homomorphism of univariate polynomials |
|
3 |
$Id$ |
|
4 |
Author: Clemens Ballarin, started 15 April 1997 |
|
5 |
*) |
|
6 |
||
13735 | 7 |
PolyHomo = UnivPoly + |
7998 | 8 |
|
9 |
consts |
|
13735 | 10 |
EVAL2 :: "['a::ring => 'b, 'b, 'a up] => 'b::ring" |
11 |
EVAL :: "['a::ring, 'a up] => 'a" |
|
7998 | 12 |
|
13 |
defs |
|
11093 | 14 |
EVAL2_def "EVAL2 phi a p == |
13735 | 15 |
setsum (%i. phi (coeff p i) * a ^ i) {..deg p}" |
7998 | 16 |
EVAL_def "EVAL == EVAL2 (%x. x)" |
17 |
||
18 |
end |