| 0 < i0 ∧ 0 ≤ j ∧ j < 2 ^ 16 ∧ 0 ≤ 16, 0 < i0, 0 ≤ i0, 0 ≤ j, 0 < i0 * 2 ^ 16 + j, j ≤ 32767, 32767 < i0 * 2 ^ 16 + j ⊦ s2i(i2s(bits2int(lastn(16, int2bits(i0) + fillsgn(i→n(16 + 1), int2bits(j)).rest)))) = j |
0 < i0, 0 ≤ i0, 0 ≤ j, 0 < 65536 * i0 + j, j ≤ 32767, 32767 < 65536 * i0 + j ⊦ s2i(i2s(bits2int(lastn(16, int2bits(i0) + fillsgn(17, int2bits(j)).rest)))) = j
Used simplifier rules: ⊦ i + j = j + i;% ⊦ i * j = j * i;%j0 ≠ 0, j < j0 ⊦ i ≤ (* j) → i < (* j0);