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#############################################################################
##
## This file is part of GAP, a system for computational discrete algebra.
## This file's authors include Isabel Araújo and Robert Arthur.
##
## 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
##
## This file contains the declarations for basics of transformation semigroup
##
DeclareSynonym("IsTransformationSemigroup", IsSemigroup and
IsTransformationCollection);
DeclareSynonym("IsTransformationMonoid", IsMonoid and
IsTransformationCollection);
DeclareProperty("IsFullTransformationSemigroup", IsSemigroup);
InstallTrueMethod(IsSemigroup, IsFullTransformationSemigroup);
DeclareSynonym("IsFullTransformationMonoid", IsFullTransformationSemigroup);
DeclareGlobalFunction("FullTransformationSemigroup");
DeclareSynonym("FullTransformationMonoid", FullTransformationSemigroup);
DeclareAttribute("DegreeOfTransformationSemigroup", IsTransformationSemigroup);
DeclareAttribute("IsomorphismPermGroup", IsGreensHClass);
DeclareAttribute("IsomorphismTransformationSemigroup", IsSemigroup);
DeclareAttribute("IsomorphismTransformationMonoid", IsSemigroup);
DeclareOperation("HomomorphismTransformationSemigroup",
[IsSemigroup, IsRightMagmaCongruence]);
DeclareAttribute("AntiIsomorphismTransformationSemigroup", IsSemigroup);
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