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SUMO
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traditionalLogic
KB Term:
LieutenantGovernor
Sigma KEE - SubstringFn
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SubstringFn
(
SubstringFn
?
SymbolicString
?
NonnegativeInteger
-1 ?
NonnegativeInteger
-2) denotes a string that is a
subString
of ?
SymbolicString
, begins with the
Character
at the index ?
NonnegativeInteger
-1, and ends with the
Character
at the index (
SubtractionFn
?
NonnegativeInteger
-2 1). The first
Character
in ?
SymbolicString
is denoted by the index 0. If the value of ?
NonnegativeInteger
-1 or ?
NonnegativeInteger
-2 is greater than the value of (
StringLengthFn
?
SymbolicString
), or if ?
NonnegativeInteger
-1 is greater than ?
NonnegativeInteger
-2, the result of evaluating the
SubstringFn
expression is undefined. Example: (
equal
"Charle" (
SubstringFn
"Charles Darwin" 0 6)).
Relationships
Instances
Abstract
Properties or qualities as distinguished from any particular embodiment of the properties/qualities in a physical medium. Instances of Abstract can be said to exist in the same sense as mathematical objects such as sets and relations, but they cannot exist at a particular place and time without some physical encoding or embodiment.
Entity
La clase universal de individuos. Es el nodo principal de la ontologĂa.
Function
A
Function
is a term-forming
Relation
that maps from a n-tuple of arguments to a range and that associates this n-tuple with at most one range element. Note that the range is a
Class
, and each element of the range is an instance of the
Class
.
InheritableRelation
The class of
Relation
s whose properties can be inherited downward in the class hierarchy via the
subrelation
Predicate
.
PartialValuedRelation
A
Relation
is a
PartialValuedRelation
just in case it is not a
TotalValuedRelation
, i.e. just in case assigning values to every argument position except the last one does not necessarily mean that there is a value assignment for the last argument position. Note that, if a
Relation
is both a
PartialValuedRelation
and a
SingleValuedRelation
, then it is a partial function.
QuaternaryRelation
QuaternaryRelation
s relate four items. The two
subclass
es of
QuaternaryRelation
are
QuaternaryPredicate
and
TernaryFunction
.
Relation
The
Class
of relations. There are two kinds of
Relation
:
Predicate
and
Function
.
Predicate
s and
Function
s both denote sets of ordered n-tuples. The difference between these two
Class
es is that
Predicate
s cover formula-forming operators, while
Function
s cover term-forming operators.
SingleValuedRelation
A
Relation
is a
SingleValuedRelation
just in case an assignment of values to every argument position except the last one determines at most one assignment for the last argument position. Note that not all
SingleValuedRelation
s are
TotalValuedRelation
s.
TernaryFunction
The
Class
of
Function
s that require exactly three arguments.
Belongs to Class
Entity
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Sigma version 3.0 is
open source software
produced by
Articulate Software
and its partners