English
From a three-case reduction you deduce a global FLT for exponent 3 in cyclotomic extensions; equivalently, FLT for 3 follows from FLT for three-gen scenarios.
Русский
Из редукции по трём случаям следует общий ФFLT для степени 3 в циклотомических расширениях.
LaTeX
$$$\text{FLT}_3 \Leftarrow \text{FLT}_{3\text{Gen}}$$$
Lean4
@[macro _private.Mathlib.NumberTheory.FLT.Three.0.termη]
public meta def _aux_Mathlib_NumberTheory_FLT_Three___macroRules__private_Mathlib_NumberTheory_FLT_Three_0_termη_1 :
Macro✝ := fun
| `(η) => `((IsPrimitiveRoot.isUnit (hζ.toInteger_isPrimitiveRoot) (by decide)).unit)
| _ => no_error_if_unused% throw✝ Lean.Macro.Exception.unsupportedSyntax✝
