English
The dual of the composition of two sup-homomorphisms equals the composition of their duals: sSupHom.dual (g.comp f) = (sSupHom.dual g).comp (sSupHom.dual f).
Русский
Дуальная части композиции двух гомоморфизмов сохраняющих верхние пределы равна композиции их дуальных отображений.
LaTeX
$$$sSupHom.dual (g.comp f) = (sSupHom.dual g).comp (sSupHom.dual f)$$$
Lean4
@[simp]
theorem dual_comp (g : sSupHom β γ) (f : sSupHom α β) :
sSupHom.dual (g.comp f) = (sSupHom.dual g).comp (sSupHom.dual f) :=
rfl