English
Under the given hypotheses, primesOver of the bottom ideal equals the bottom ideal, i.e., there are no nontrivial primes lying over ⊥.
Русский
При заданных гипотезах primesOver(⊥) = {⊥}, то есть не существует ненулевых примитивных примы над ⊥.
LaTeX
$$$\text{primesOver}(\bot) = \{\bot\}$$$
Lean4
theorem primesOver_bot [Nontrivial A] [IsDomain B] : primesOver (⊥ : Ideal A) B = {⊥} :=
by
ext p
refine ⟨fun ⟨_, ⟨h⟩⟩ ↦ p.eq_bot_of_comap_eq_bot h.symm, ?_⟩
rintro rfl
exact ⟨Ideal.bot_prime, Ideal.bot_liesOver_bot A B⟩