最終更新日：2025/12/07
(metaphysics) An alternative to standard possible worlds semantics in which an individual can exist in only one world, while other possible worlds contain (different) counterparts to that individual, and in which the modality operators (necessity, possibility) are replaced by quantifiers over possible worlds.
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counterpart theory
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counterpart theory
名詞
不可算名詞
(metaphysics)
An
alternative
to
standard
possible
worlds
semantics
in
which
an
individual
can
exist
in
only
one
world,
while
other
possible
worlds
contain
(different)
counterparts
to
that
individual,
and
in
which
the
modality
operators
(necessity,
possibility)
are
replaced
by
quantifiers
over
possible
worlds.
日本語の意味
（形而上学）個体が一つの世界にのみ存在し、他の可能世界ではその個体の異なる対応体（カウンターパート）が存在するという立場。ここでは必然性や可能性といったモダリティ・オペレーターの代わりに、各可能世界に対する量化が採用される理論。
意味（1）
(metaphysics)
An
alternative
to
standard
possible
worlds
semantics
in
which
an
individual
can
exist
in
only
one
world,
while
other
possible
worlds
contain
(different)
counterparts
to
that
individual,
and
in
which
the
modality
operators
(necessity,
possibility)
are
replaced
by
quantifiers
over
possible
worlds.
