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.