Fermat's Last Theorem in Lean 4

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Namespace FreyPackage 59 theorems

Landmarks here: Fermat's Last Theorem for prime exponents p ≥ 5 · No Frey package exists · Frey package from a counterexample of exponent p ≥ 5 · Irreducibility of the mod-p torsion module of the Frey curve · Modularity of the Frey curve · Level lowering to Γ₀(2) for the Frey curve · Irreducibility of E_P[p] when a ≡ 3 (mod 8) · No Galois-stable cofixed line at p=11 · Mazur at p≥ 17: no cofixed line · No Galois-stable cofixed line for p∈{5,7,13} · Reducible Frey representation yields a Galois-stable cofixed line · Level lowering for the Frey curve down to Γ₀(2) · Conductor-level modularity of the Frey curve's mod-p representation · Frey p-torsion is unramified outside {2,p} · Mazur–Ribet level lowering at p for conductor levels · Ribet level lowering at an odd prime q ≠ p · Eichler–Shimura residual attachment at every level

57 · ModMCarrier 2

directly in FreyPackage 57

FreyPackage.ModMCarrier 2