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D.8.1.8 linearpart

Procedure from library presolve.lib (see presolve_lib).

Usage:
linearpart(id); id=ideal/module

Return:
list of size 2,
_[1]: generators of id of total degree <= 1
_[2]: remaining generators of id

Note:
all variables have degree 1 (independent of ordering of basering)

Example:
 


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