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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#############################################################################
##
##  SetsOfRelations.gd          homalg package               Mohamed Barakat
##
##  Copyright 2007-2008 Lehrstuhl B für Mathematik, RWTH Aachen
##
##  Declaration stuff for sets of relations.
##
#############################################################################

####################################
#
# categories:
#
####################################

# A new GAP-category:

DeclareCategory( "IsSetsOfRelations",
        IsComponentObjectRep );

####################################
#
# global functions and operations:
#
####################################

# constructors:

DeclareGlobalFunction( "CreateSetsOfRelationsForLeftModule" );

DeclareGlobalFunction( "CreateSetsOfRelationsForRightModule" );

# basic operations:

DeclareOperation( "PositionOfLastStoredSetOfRelations",
        [ IsSetsOfRelations ] );