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2 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
porism
不定設題;系論
From:
Webster's Revised Unabridged Dictionary (1913)
Po·rism
n.
1.
Geom.
A
proposition
affirming
the
possibility
of
finding
such
conditions
as
will
render
a
certain
determinate
problem
indeterminate
or
capable
of
innumerable
solutions
.
2.
Gr. Geom.
A
corollary
.
Note:
☞
Three
books
of
porisms
of
Euclid
have
been
lost
,
but
several
attempts
to
determine
the
nature
of
these
propositions
and
to
restore
them
have
been
made
by
modern
geometers
.
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