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Proof step 7 from proof sis-pos-high (previous step)

0 < j0, 0 < i0 * 65536 + j0, 0 ≤ i0, 0 ≤ j0, 32767 < j0, 32767 < i0 * 65536 + j0, j0 < 65536 ⊦ j0 = s2i(i2s(i0 * 65536 + j0)) + 65536

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: byte inst: name: num-i2s-pos seq: 32767 < i ⊦ i2s((* i)) = i2s(bits2int(lastn(16, int2bits(i)))) subst: [i] → [i0 * 65536 + j0] flags: rewrite, current

Additional information

Used terms: i0 * 65536 + j0