English
Main limitRecOn recursion lemma for succ when not max is assumed.
Русский
Основной лемма предела-рекурсии для succ при не максимальном элементе.
LaTeX
$$$\\mathrm{limitRecOn}(\\mathrm{Order.succ}(b)) = \\mathrm{succ}(b, \\neg IsMax(b)) (\\mathrm{limitRecOn}(b)).$$$
Lean4
@[simp]
theorem limitRecOn_succ [NoMaxOrder α] (b : α) :
limitRecOn (Order.succ b) isMin succ isSuccLimit = succ b (not_isMax b) (limitRecOn b isMin succ isSuccLimit) :=
limitRecOn_succ_of_not_isMax isMin succ isSuccLimit _