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Sigma KEE - externalDebtInPeriod
external debt in period
?COUNTRY ?AMOUNT ?PERIOD) means that the
?COUNTRY owes the total sum ?AMOUNT of debt (public and private) to nonresidents during the
indicated by ?PERIOD. The amount is valued in U.S. dollars but may be repayable in foreign currency, goods, or services.
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.
The universal class of individuals. This is the root node of the ontology.
The class of
s whose properties can be inherited downward in the class hierarchy via the
is a sentence-forming
. Each tuple in the
is a finite, ordered sequence of objects. The fact that a particular tuple is an element of a
is denoted by '(*predicate* arg_1 arg_2 .. arg_n)', where the arg_i are the objects so related. In the case of
s, the fact can be read as `arg_1 is *predicate* arg_2' or `a *predicate* of arg_1 is arg_2'.
of relations. There are three kinds of
s both denote sets of ordered n-tuples. The difference between these two
es is that
s cover formula-forming operators, while
s cover term-forming operators. A
, on the other hand, is a particular ordered n-tuple.
s that require exactly three arguments.
s relate three items. The two
Belongs to Class
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