English
Set α forms a Monoid under pointwise operations if α is a Monoid.
Русский
Множество α образует моноид под точечными операциями, если α является моноидом.
LaTeX
$$$$ Set \alpha \text{ is a Monoid under pointwise operations if } \alpha \text{ is a Monoid}. $$$$
Lean4
/-- `Set α` is a `Monoid` under pointwise operations if `α` is. -/
@[to_additive /-- `Set α` is an `AddMonoid` under pointwise operations if `α` is. -/
]
protected def monoid : Monoid (Set α) :=
{ Set.semigroup, Set.mulOneClass, @Set.NPow α _ _ with }