Number theory Legendre Symbol 5 proves quadratic reciprocity

Number theory Legendre Symbol 5 proves quadratic reciprocity

0:00 start
4:00 Proof of Eisenstein's lemma
13:30 proves quadratic reciprocity

Number theory Legendre Symbol(1) definition and prove Euler Criterion:
https://youtu.be/QVWS8DHdhqM

Number theory Legendre Symbol 2 proves Gauss’s Lemma:
https://youtu.be/QmYEDJinxBw

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