ID: 131.0 Parent: 130.0 Tree
PDER
VAR\IND x1 x20 x21-1 x17
x1 1 0 0 0
x17 0 0 0 1
x20 0 1 0 0
x21 0 0 1 0
FOCUS
x1^6*x20^42*x21^37*x17^24-x17^24*x21^36*x20^42*x1^6
x21^3*x20^3*x17^2
x20^5*x21^4*x17^2
x17*x20^2*x21^2
x20^4*x21^3*x17
x20^3*x21^2*x17
x20^3*x21^2
x20^2*x21
x20
DEPempty
MAP
x1 x1
x2 x17^3*x21^5*x20^6*x1
x3 x21^9*x20^10*x17^6*x1
x4 x17^4*x21^6*x20^7*x1
IMAP
x1 x1
x17 x4^4/x2^3/x3
x20 x4^3/x1/x3^2
x21 x3^3/x4^6*x2^2*x1
STACK
WBO (dim: 4)
J
1 0
c 0
Nempty
(E,a)
Ea
x1 5
x17 14
x21 22
x20 26
x21-1 0
C empty