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Proof step 34 from proof btree-inv-format (previous step)

⊦ ∀ n0. n0 ∈ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)] → (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)][n0].ref-size = ((∅ ++ @(n, m0, m1)) | n0).size

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 35:
n0 ∈ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)] ⊦ (∅)[n, indexblock(indexnode(mkbrarray(BRANCH_SIZE), true, 0) ', @(m0, m1) ', m1)][n0].ref-size = ((∅ ++ @(n, m0, m1)) | n0).size

Proof step 34 from proof btree-inv-format (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information