<Chapter Label = "Properties of semigroups">
  <Heading>
    Properties of semigroups
  </Heading>

  In this chapter we describe the methods that are available in &SEMIGROUPS; for
  determining various properties of a semigroup or monoid.

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  <Section>
    <Heading>
      Arbitrary semigroups
    </Heading>

    In this section we describe the properties of an arbitrary semigroup or
    monoid that can be determined using the &SEMIGROUPS; package.
    <P/>

    <#Include Label = "IsBand">
    <#Include Label = "IsBlockGroup">
    <#Include Label = "IsCommutativeSemigroup">
    <#Include Label = "IsCompletelyRegularSemigroup">
    <#Include Label = "IsCongruenceFreeSemigroup">
    <#Include Label = "IsSurjectiveSemigroup">
    <#Include Label = "IsGroupAsSemigroup">
    <#Include Label = "IsIdempotentGenerated">
    <#Include Label = "IsLeftSimple">
    <#Include Label = "IsLeftZeroSemigroup">
    <#Include Label = "IsMonogenicSemigroup">
    <#Include Label = "IsMonogenicMonoid">
    <#Include Label = "IsMonoidAsSemigroup">
    <#Include Label = "IsOrthodoxSemigroup">
    <#Include Label = "IsRectangularBand">
    <#Include Label = "IsRectangularGroup">
    <#Include Label = "IsRegularSemigroup">
    <#Include Label = "IsRightZeroSemigroup">
    <#Include Label = "IsRTrivial">
    <#Include Label = "IsSemigroupWithAdjoinedZero">
    <#Include Label = "IsSemilattice">
    <#Include Label = "IsSimpleSemigroup">
    <#Include Label = "IsSynchronizingSemigroup">
    <#Include Label = "IsUnitRegularMonoid">
    <#Include Label = "IsZeroGroup">
    <#Include Label = "IsZeroRectangularBand">
    <#Include Label = "IsZeroSemigroup">
    <#Include Label = "IsZeroSimpleSemigroup">
    <#Include Label = "IsSelfDualSemigroup">
  </Section>

  <Section>
    <Heading>
      Inverse semigroups
    </Heading>

    In this section we describe the properties of an inverse semigroup or
    monoid that can be determined using the &SEMIGROUPS; package.
    <P/>

    <#Include Label = "IsCliffordSemigroup">
    <#Include Label = "IsBrandtSemigroup">
    <#Include Label = "IsEUnitaryInverseSemigroup">
    <#Include Label = "IsFInverseSemigroup">
    <#Include Label = "IsFInverseMonoid">
    <#Include Label = "IsFactorisableInverseMonoid">
    <#Include Label = "IsJoinIrreducible">
    <#Include Label = "IsMajorantlyClosed">
    <#Include Label = "IsMonogenicInverseSemigroup">
    <#Include Label = "IsMonogenicInverseMonoid">

  </Section>

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</Chapter>

