元となった辞書の項目
Hasse diagram
noun
(set
theory)
A
diagram
which
represents
a
finite
poset,
in
which
nodes
are
elements
of
the
poset
and
arrows
represent
the
order
relation
between
elements.
Transitivity
of
the
order
relation
is
tacit,
in
other
words,
if
x<y
and
y<z
then
no
arrow
is
drawn
from
x
to
z,
but
if
there
is
no
distinct
z
between
x
and
y
(such
that
x<z<y)
then
an
arrow
is
draw
from
x
to
y.
意味（1）
(set
theory)
A
diagram
which
represents
a
finite
poset,
in
which
nodes
are
elements
of
the
poset
and
arrows
represent
the
order
relation
between
elements.
Transitivity
of
the
order
relation
is
tacit,
in
other
words,
if
x<y
and
y<z
then
no
arrow
is
drawn
from
x
to
z,
but
if
there
is
no
distinct
z
between
x
and
y
(such
that
x<z<y)
then
an
arrow
is
draw
from
x
to
y.
