English
Alias for the forward direction of commensurable_conj, showing that commensurability is preserved under conjugation.
Русский
Аликс для прямого направления commensurable_conj, подтверждающий сохранение комменсурируемости при конъюгации.
LaTeX
$$Commensurable H K → Commensurable (g • H) (g • K)$$
Lean4
/-- Alias for the forward direction of `commensurable_conj` to allow dot-notation -/
theorem conj {H K : Subgroup G} (h : Commensurable H K) (g : ConjAct G) : Commensurable (g • H) (g • K) :=
(commensurable_conj g).mp h