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Sigma KEE  TotalValuedRelation
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TotalValuedRelation
A
Relation
is a
TotalValuedRelation
just in case there exists an assignment for the last argument position of the
Relation
given any assignment of values to every argument position except the last one. Note that declaring a
Relation
to be both a
TotalValuedRelation
and a
SingleValuedRelation
means that it is a total function.
Relationships
Parents
可繼承的關係
The class of
Relation
s whose properties can be inherited downward in the class hierarchy via the
subrelation
Predicate
.
Relation
The
Class
of relations. There are two kinds of
Relation
:
Predicate
and
Function
.
Predicate
s and
Function
s both denote sets of ordered ntuples. The difference between these two
Class
es is that
Predicate
s cover formulaforming operators, while
Function
s cover termforming operators.
Children
PartialOrderingRelation
A
BinaryRelation
is a partial ordering if it is a
ReflexiveRelation
, an
AntisymmetricRelation
, and a
TransitiveRelation
.
UnitOfMeasureMultiplier
Each
instance
of this
Class
is a
UnaryFunction
that, when evaluated on its single argument, a
UnitOfMeasure
, produces another
UnitOfMeasure
that is a numeric multiple of the argument.
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Sigma version 3.0 is
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