English
A refinement of the previous equivalence, relating inequality to divisibility via a reformulation with v.prod.
Русский
Уточнение эквивалентности: неравенство сопоставляется делимости через произведение v.
LaTeX
$$$ {m : \\mathbb{N}_{+}} {v : \\text{PrimeMultiset}} : factorMultiset m \\le v \\iff m \\mid v.prod $$$
Lean4
theorem factorMultiset_le_iff' {m : ℕ+} {v : PrimeMultiset} : factorMultiset m ≤ v ↔ m ∣ v.prod :=
by
let h := @factorMultiset_le_iff m v.prod
rw [v.factorMultiset_prod] at h
exact h