ZMod.nonsquare_of_jacobiSym_eq_neg_one

∀ {a : ℤ} {b : ℕ}, jacobiSym a b = -1 → ¬IsSquare ↑a

If J(a | b) is -1, then a is not a square modulo b.

Defined in: Mathlib.NumberTheory.LegendreSymbol.JacobiSymbol
Cited by: 0 results in Mathlib
Foundations: Depth 149 from the axioms · uses propext, Classical.choice, Quot.sound

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