元となった辞書の項目
tetration
noun
(arithmetic)
The
arithmetic
operator
consisting
of
repeated
exponentiation,
by
analogy
with
exponentiation
being
repeated
multiplication
and
multiplication
being
repeated
addition,
ᵇa
denoting
a
to
the
power
of
a
to
the
power
of
...
to
the
power
of
a,
in
which
a
appears
b
times.
Notation:
ᵇa,
a↑↑b
or
a→b→2
意味(1)
(arithmetic)
The
arithmetic
operator
consisting
of
repeated
exponentiation,
by
analogy
with
exponentiation
being
repeated
multiplication
and
multiplication
being
repeated
addition,
ᵇa
denoting
a
to
the
power
of
a
to
the
power
of
...
to
the
power
of
a,
in
which
a
appears
b
times.
Notation:
ᵇa,
a↑↑b
or
a→b→2