A simple question on modules.

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Sorry to ask such simple question, but I am not able to find appropriate reference in the manual for this.

I have a power series ring (or polynomial ring) in multi-variables, say

R = k[X_1,\cdots, X_n] or k[[X_1,\cdots, X_n]].

I need to define a module over R, generated by

f_1,f_2,\cdots,f_r.

e.g. in Singular one can define it using

module M = f_1,\cdots,f_r.

(Of course not verbatim)

Also I would appreciate if one can redirect me to the corresponding section in the reference manual. Thanks in advance.

-- VInay