Journal of Formalized Mathematics
Volume 3, 1991
University of Bialystok
Copyright (c) 1991 Association of Mizar Users

## Category of Left Modules

Michal Muzalewski
Warsaw University, Bialystok

### Summary.

We define the category of left modules over an associative ring. The carriers of the modules are included in a universum. The universum is a parameter of the category.

#### MML Identifier: MODCAT_1

The terminology and notation used in this paper have been introduced in the following articles [10] [5] [13] [14] [2] [3] [12] [6] [4] [11] [9] [7] [8] [1]

Contents (PDF format)

#### Bibliography

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