English
A simp-normal form equality: the pair (f ∘ g, map_sup (f.comp g)) equals the SupHom composition.
Русский
Упрощенное равенство: пара (f∘g, map_sup (f∘g)) равна композиции SupHom.
LaTeX
$$$\langle f \circ g, \operatorname{map\_sup}(f.comp g)\rangle = (f : SupHom \beta \gamma).comp g$$$
Lean4
@[simp]
-- `simp`-normal form of `coe_comp_sup_hom`
theorem coe_comp_sup_hom' (f : LatticeHom β γ) (g : LatticeHom α β) :
⟨f ∘ g, map_sup (f.comp g)⟩ = (f : SupHom β γ).comp g :=
rfl