English
Let f: S → Tropical(WithTop R) and S be finite. Then untrop of the sum over S equals the infimum of untrop(f i) over i ∈ S.
Русский
Пусть f: S → Tropical(WithTop R) и S конечен. Тогда untrop суммы ∑_{i∈S} f(i) равен инфимума untrop(f(i)) по i ∈ S.
LaTeX
$$$\operatorname{untrop}\left(\sum_{i\in S} f(i)\right) = \inf_{i\in S} \operatorname{untrop}(f(i)).$$$
Lean4
@[ext]
theorem ext (A B : HVertexOperator Γ R V W) (h : ∀ v : V, A v = B v) : A = B :=
LinearMap.ext h