| prime(i), prime(i), j0 < i, 0 < j, 0 ≤ j0, 0 < i, 0 ≤ j, ∃ j1. j1 ∈ countFun(1, j0, λ j0. i * j + j0) ∧ i | j1, 0 < fac(i * j), 0 < Π countFun(1, j0, λ j0. i * j + j0) ⊦ |
0 < Π countFun(1, j0, λ j0. i * j + j0), 0 < fac(i * j), i | j1, j1 ∈ countFun(1, j0, λ j0. i * j + j0), 0 ≤ j, 0 < i, 0 ≤ j0, 0 < j, j0 < i, prime(i) ⊦