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#############################################################################
##
## This file is part of GAP, a system for computational discrete algebra.
## This file's authors include Werner Nickel.
##
## Copyright of GAP belongs to its developers, whose names are too numerous
## to list here. Please refer to the COPYRIGHT file for details.
##
## SPDX-License-Identifier: GPL-2.0-or-later
# TODO: document this function? it is used in various packages by now
BindGlobal( "LeftNormedComm", function( list )
local c, i;
if not IsList(list) or Length(list) = 0 then
Error("<list> must be a non-empty list");
fi;
c := list[1];
for i in [2..Length(list)] do
c := Comm(c, list[i]);
od;
return c;
end );
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