| ∀ i, j. i * (j + j1) = i * j + i * j1 ⊦ i * (j + j1 +1) = i * j + i * j1 +1 |
∀ i, j. i * (j + j1) = i * j + i * j1 ⊦ i * (j + j1) = i * j + i * j1
Used simplifier rules: succ-rsplit: ⊦ i * (j + 1) = i * j + i;%add-in: ⊦ i + j = i + i0 ↔ j = i0; from specification int-basic2%add-c: ⊦ i + j = j + i; from specification int-basic2%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2%succ-01: ⊦ i +1 = i + 1; from specification int-basic2