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Found 1 items, similar to Pythagorean letter.

**English → English** (gcide)
Definition: Pythagorean letter
Pythagorean *\Pyth`a*go"re*an\*, a. [L. Pythagoreus, Gr. ?.]
Of or pertaining to Pythagoras (a Greek philosopher, born
about 582 b. c.), or his philosophy.
[1913 Webster]
The central thought of the Pythagorean philosophy is
the idea of number, the recognition of the numerical
and mathematical relations of things. --Encyc. Brit.
[1913 Webster]
Pythagorean proposition (Geom.), the theorem that the
square described upon the hypothenuse of a plane
right-angled triangle is equal to the sum of the squares
described upon the other two sides.
Pythagorean system (Astron.), the commonly received system
of astronomy, first taught by Pythagoras, and afterward
revived by Copernicus, whence it is also called the
Copernican system.
Pythagorean letter. See Y.
[1913 Webster]

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