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Project-declaredLean 4.32.0

Δ base Change quadratic Twist Of ne zero

WeierstrassCurve.Δ_baseChange_quadraticTwistOf_ne_zero

Plain-language statement

The base change of the twisted integral model has nonzero discriminant: its Δ is (t'² - 4n')⁶ · Δ (Δ_quadraticTwistOf), and both factors are nonzero.

number theoryarithmetic geometryFermat's Last Theorem

Source project: Fermat's Last Theorem

Person-level attribution pending.

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