An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian
فرهنگ ریشهشناختی اخترشناسی-اخترفیزیک
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perfect set
هنگرد ِ فرساخت
hangard-e farsâxt
Fr.: ensemble parfait
A set
P
is called perfect if
P = P’
, where
P’
is the derived set of
P
.
See also:
→
perfect
; →
set
.
