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Proof step 8 from proof at-save (previous step)

n0 < nused0, m + nused0 < BRANCH_SIZE, ∀ n, m, zbrar. n < nused0 ∧ m + nused0 ≤ BRANCH_SIZE → save(zbrar, m, nused0)[m + n] = save(zbrar[m + n]) ⊦ save(zbrar, m + 1, nused0)[m + n0 + 1] = save(zbrar[m + n0 + 1])

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 3 terms: n0, m + 1, zbrar

Additional information

Used simplifier rules: ⊦ m + 1 ≤ n ↔ m < n; (s)%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic Used terms: n0, m + 1, zbrar