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Proof step 10 from proof range-copy-outer (previous step)

range=(ar2, n2, copy(ar, n, ar0, n0, m0), n3 + n0, m1), n + m0 ≤ # ar, n0 + m0 ≤ # ar0, (n3 + n0) + m1 ≤ # ar0, n3 + m1 ≤ m0 ⊦ range=(ar2, n2, ar, n + n3, m1)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ range=(ar0, n0, ar1, n1, m) ↔ n0 + m ≤ # ar0 ∧ n1 + m ≤ # ar1 ∧ (∀ n. n < m → ar0[n0 + n] = ar1[n1 + n])

Rule argument

spec: inst: name: range-eq-ext seq: ⊦ range=(ar0, n0, ar1, n1, m) ↔ n0 + m ≤ # ar0 ∧ n1 + m ≤ # ar1 ∧ (∀ n. n < m → ar0[n0 + n] = ar1[n1 + n]) subst: [m, n1, ar1, n0, ar0] → [m1, n3 + n0, copy(ar, n, ar0, n0, m0), n2, ar2] flags: rewrite, current

Additional information

[Concretesimprules(()), Extraterms((m1n3 + n0copy(ar, n, ar0, n0, m0)n2ar2))]