|  |  4.18.1 resolution declarations 
 
Syntax:
resolutionname=resolution_expression;
Purpose:
defines a resolution.
Default:
none
Example:
|  |   ring R;
  ideal i=z2,x;
  resolution re=res(i,0);
  re;
==>  1      2      1      
==> R <--  R <--  R
==> 
==> 0      1      2      
==> 
  betti(re);
==> 1,1,0,
==> 0,1,1 
  list l = re;
  l;
==> [1]:
==>    _[1]=x
==>    _[2]=z2
==> [2]:
==>    _[1]=-z2*gen(1)+x*gen(2)
==> [3]:
==>    _[1]=0
 | 
 
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