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First supplementary law for quadratic reciprocity
...
Mathematics
Area of mathematics
Number theory
Quadratic residue
Legendre symbol
Euler criterion
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Words: 6
Euler's criterion at
a
=
−
1
gives
(
p
−
1
)
=
(
−
1
)
(
p
−
1
)
/2
.
(28)
Ancestors
(7)
Euler criterion
Legendre symbol
Quadratic residue
Number theory
Area of mathematics
Mathematics
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