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Formal Language:
OWL
SUO-KIF
TPTP
traditionalLogic
KB Term:
QuarterFn
Sigma KEE - QuarterFn
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
QuarterFn
A
BinaryFunction
that assigns a
PositiveRealNumber
and a subclass of
Year
to the
Quart
er within each
Year
corresponding to that
PositiveRealNumber
. For example, (
QuarterFn
4 (
YearFn
1999)) is the singular
Class
of the last
QuarterYear
of the
Year
1999.
Relationships
Instances
Abstrato
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.
Funcao Binaria
The
Class
of
Function
s that require two arguments.
Entidade
The universal class of individuals. This is the root node of the ontology.
Funcao
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
.
Relacao Parcial
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.
Relacao
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.
Relacao com Valor Unico
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.
Relacao Temporal
The
Class
of temporal
Relation
s. This
Class
includes notions of (temporal) topology of intervals, (temporal) schemata, and (temporal) extension.
Relacao Ternaria
TernaryRelation
s relate three items. The two
subclass
es of
TernaryRelation
are
TernaryPredicate
and
BinaryFunction
.
Belongs to Class
Entidade
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