English
Let M act continuously on a topological space X. Then the induced action of M on the opposite space Xᵐᵒᵖ is also continuous.
Русский
Пусть M действует непрерывно на топологическом пространстве X. Тогда индуцированное действие M на противоположном пространстве Xᵐᵒᵖ также непрерывно.
LaTeX
$$$ContinuousSMul\ M\ X^{\mathrm{op}}$$$
Lean4
@[to_additive]
instance continuousSMul : ContinuousSMul M Xᵐᵒᵖ :=
⟨MulOpposite.continuous_op.comp <| continuous_smul.comp <| continuous_id.prodMap MulOpposite.continuous_unop⟩