Quelle  semibipart.gd   Sprache: unbekannt

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##  semigroups/semibipart.gd
##  Copyright (C) 2013-2022                              James D. Mitchell
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##  Licensing information can be found in the README file of this package.
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DeclareSynonym("IsBipartitionSemigroup",
               IsSemigroup and IsBipartitionCollection);
DeclareSynonym("IsBipartitionMonoid",
               IsMonoid and IsBipartitionCollection);

InstallTrueMethod(IsFinite, IsBipartitionSemigroup);

DeclareAttribute("DegreeOfBipartitionSemigroup", IsBipartitionSemigroup);

DeclareProperty("IsBlockBijectionSemigroup", IsBipartitionSemigroup);
DeclareProperty("IsPartialPermBipartitionSemigroup", IsBipartitionSemigroup);
DeclareProperty("IsPermBipartitionGroup", IsBipartitionSemigroup);
InstallTrueMethod(IsGroupAsSemigroup, IsPermBipartitionGroup);

DeclareSynonymAttr("IsBlockBijectionMonoid",
                   IsBlockBijectionSemigroup and IsMonoid);
DeclareSynonymAttr("IsPartialPermBipartitionMonoid",
                   IsPartialPermBipartitionSemigroup and IsMonoid);