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Proof step 11 from proof pot2-est-div6 (previous step)

0 < (i1 + 1) * 6 + j0, j0 < 6, 0 ≤ i1, 2 ^ i1 ≤ 3 * (2 + i1), 2 ^ i1 * 2 ≤ ((i1 + 1) * 6 + j0) + 1, 36 ≤ (i1 + 1) * 6 + j0, 0 ≤ j0 ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 12:
⊦ 0 < i → j ^ i = j ^ i -1 * j
Proof step 13:
j0 < 6, 0 < (i1 + 1) * 6 + j0, 0 < i1, 0 ≤ j0, 36 ≤ (i1 + 1) * 6 + j0, (2 ^ i1 -1 * 2) * 2 ≤ ((i1 + 1) * 6 + j0) + 1, 2 ^ i1 -1 * 2 ≤ 3 * (2 + i1), 0 ≤ i1 ⊦

Rule argument

spec: <toplevel> name: Pot-pos seq: ⊦ 0 < i → j ^ i = j ^ i -1 * j subst: [i, j] → [i1, 2] flags: <all paths>

Additional information

Used simplifier rules: ⊦ i < j ↔ ¬ j ≤ i; (ss)% ⊦ i ≤ j → (j ≤ i ↔ i = j); (s)%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2%add-c: ⊦ i + j = j + i; from specification int-basic2% ⊦ (* j) < i0 + (* j0) ↔ j - j0 < i0; (s)%i0 ≠ 0, i0 < i ⊦ (* i) ≤ j → (* i0) < j; (s)% ⊦ (* j) ≤ i0 + (* j0) ↔ j - j0 ≤ i0; (s)%i0 ≠ 0, i0 ≤ i ⊦ (* i) ≤ j → (* i0) ≤ j; (s)%forward-le: ⊦ i ≤ j ∧ 0 < i → 0 < j; (forward) from specification int-abs%forward-lels: ⊦ i ≤ j ∧ j < j0 → i < j0; (forward) from specification int-abs Used terms: i1, 2