最終更新日：2025/11/20
(set theory) A diagram representing some sets by contours of closed shapes, such as circles or ellipses (and sometimes also the universal set as a rectangle enclosing all of these shapes), and indicating the relationships between the sets: by overlapping the shapes to show that the corresponding sets have a non-empty intersection, and by possibly (but not necessarily) enclosing all of the sets (which are proper subsets of the universal set) within a universal set (represented typically by a rectangle); such that the total number of simply connected regions is 2ⁿ, where n is the number of depicted sets which are proper subsets of the universal set.
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Venn diagram
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元となった辞書の項目
Venn diagram
名詞
(set
theory)
A
diagram
representing
some
sets
by
contours
of
closed
shapes,
such
as
circles
or
ellipses
(and
sometimes
also
the
universal
set
as
a
rectangle
enclosing
all
of
these
shapes),
and
indicating
the
relationships
between
the
sets:
by
overlapping
the
shapes
to
show
that
the
corresponding
sets
have
a
non-empty
intersection,
and
by
possibly
(but
not
necessarily)
enclosing
all
of
the
sets
(which
are
proper
subsets
of
the
universal
set)
within
a
universal
set
(represented
typically
by
a
rectangle);
such
that
the
total
number
of
simply
connected
regions
is
2ⁿ,
where
n
is
the
number
of
depicted
sets
which
are
proper
subsets
of
the
universal
set.
日本語の意味
ベン図とは、円や楕円などの閉じた形状を用いて集合とその関係性（例えば、集合間の重なりによる共通部分の存在）を示す図です。 / 場合によっては、全体集合を表すために、これらの形状を囲む長方形が描かれることもあります。 / 図中の各領域は、描かれる集合の数に基づいて、2ⁿ（nは集合の数）に対応した単純連結領域になっています。
意味（1）
(set
theory)
A
diagram
representing
some
sets
by
contours
of
closed
shapes,
such
as
circles
or
ellipses
(and
sometimes
also
the
universal
set
as
a
rectangle
enclosing
all
of
these
shapes),
and
indicating
the
relationships
between
the
sets:
by
overlapping
the
shapes
to
show
that
the
corresponding
sets
have
a
non-empty
intersection,
and
by
possibly
(but
not
necessarily)
enclosing
all
of
the
sets
(which
are
proper
subsets
of
the
universal
set)
within
a
universal
set
(represented
typically
by
a
rectangle);
such
that
the
total
number
of
simply
connected
regions
is
2ⁿ,
where
n
is
the
number
of
depicted
sets
which
are
proper
subsets
of
the
universal
set.
（ plural ）
