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SUMO
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Sigma KEE  ReflexiveRelation
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ReflexiveRelation
Relation
?REL is reflexive iff (?REL ?INST ?INST) for all ?INST.
Relationships
Parents
BinaryRelation
BinaryRelation
s are relations that are true only of pairs of things.
BinaryRelation
s are represented as slots in frame systems.
Children
EquivalenceRelation
A
BinaryRelation
is an equivalence relation if it is a
ReflexiveRelation
, a
SymmetricRelation
, and a
TransitiveRelation
.
PartialOrderingRelation
A
BinaryRelation
is a partial ordering if it is a
ReflexiveRelation
, an
AntisymmetricRelation
, and a
TransitiveRelation
.
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