English
The emultiplicity of p in m equals the emultiplicity of its image in n under a suitable factor orderIso.
Русский
Эмпемлиптичность p по m равна эмпемлиптичности образа p в n при соответствующем факторном изоморфизме.
LaTeX
$$emultiplicity p m = emultiplicity (RelIso.instFunLike.coe d ⟨p, ⋯⟩).val n$$
Lean4
/-- `toPrincipalIdeal R K x` sends `x ≠ 0 : K` to the fractional `R`-ideal generated by `x` -/
def toPrincipalIdeal :=
val_proj @wrapped✝.{}