English
Adjoins a bottom to the domain of a lattice homomorphism: a construction giving a lattice homomorphism from WithBot α to β.
Русский
Добавляет минимум к области определения отображения: конструирует гомоморфизм From WithBot α к β.
LaTeX
$$$ \\text{withBot'}(f) = \\{ f.\\mathrm{toSupHom}.\\mathrm{withBot'}, f.\\mathrm{toInfHom}.\\mathrm{withBot'} \\}$$$
Lean4
/-- Adjoins a `⊥` to the domain and codomain of a `LatticeHom`. -/
@[simps]
def withBot' [OrderBot β] (f : LatticeHom α β) : LatticeHom (WithBot α) β :=
{ f.toSupHom.withBot', f.toInfHom.withBot' with }