ID: 350.0 Parent: 349.0 Tree
PDER
VAR\IND x1 x23-1 x22 x20
x1 1 0 0 0
x20 0 0 0 1
x22 0 0 1 0
x23 0 1 0 0
FOCUS
x1^6*x23^37*x22^72*x20^30-x20^30*x22^72*x23^36*x1^6
x23^6*x22^11*x20^5
x23^5*x22^9*x20^4
x22^8*x23^4*x20^3
x23^4*x22^7*x20^3
x22^6*x23^3*x20^2
x23^3*x22^5*x20^2
x23^2*x22^4*x20
x22^3*x23^2*x20
x23*x22^2
x23*x22*x20
x23*x22
x22
DEPempty
MAP
x1 x1
x2 x23^11*x22^21*x20^9*x1
x3 x22^10*x23^5*x20^4*x1
x4 x20^5*x22^12*x23^6*x1
IMAP
x1 x1
x20 x4^5/x3^6*x1
x22 x3/x1/x2*x4
x23 x3^3/x4^6*x2^2*x1
STACK
WBO (dim: 4)
J
1 0
c 0
Nempty
(E,a)
Ea
x1 5
x20 21
x23 25
x22 50
x23-1 0
C empty