| ∀ m0, m. m0 * m * n0 = (m0 * m) * n0 ⊦ m0 * (m * n0 + m) = (m0 * m) * n0 + m0 * m |
⊦ m0 * (* m) + m0 * (* n) = m0 * (m + n)
m0 * m * n0 + m0 * m = m0 * (m * n0 + m), ∀ m0, m. m0 * m * n0 = (m0 * m) * n0 ⊦ m0 * (m * n0 + m) = (m0 * m) * n0 + m0 * m
Used terms: m0, m * n0, m