Project-declaredLean 4.32.0
Exists of is Invariant of profinite
IsArithFrobAt.exists_of_isInvariant_of_profinite
Plain-language statement
Let G be a finite group acting on S, and R be the fixed subring. If Q is a prime of S with finite residue field, then there exists a Frobenius element Ļ : G at Q.
number theoryarithmetic geometryFermat's Last Theorem
Source project: Fermat's Last Theorem
Person-level attribution pending.