English
Factoring a number to a multiset of primes yields zero when mapped to the additive monoid.
Русский
Факторизация числа в мультимножество простых складывается в нуль в аддитивном моноиде.
LaTeX
$$$ factorMultiset\\ 1 = 0 $$$
Lean4
/-- Factoring gives a homomorphism from the multiplicative
monoid ℕ+ to the additive monoid of multisets. -/
theorem factorMultiset_one : factorMultiset 1 = 0 := by
simp [factorMultiset, PrimeMultiset.ofNatList, PrimeMultiset.ofNatMultiset]