exact ⟨c / b, by simp, rfl, by rfl⟩
case mp
M : Type u_1
inst✝⁵ : Zero M
inst✝⁴ : One M
inst✝³ : Add M
inst✝² : Mul M
inst✝¹ : LT M
inst✝ : M ⊧ₘ* 𝐈𝚫₀
b c : M
⊢ ∃ x ≤ c, x = c / b ∧ c / b % b = x % b
no goals