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Proof step 1 from proof unmodified-clean-eq-keys (conclusion)

n < nused, nused ≤ BRANCH_SIZE, # zbrar0 = # zbrar1, # zbrar0 = BRANCH_SIZE ⊦ unmodified(adr, mkznode(rp0, zbrar0, bv, false, nused), iast) ∧ unmodified(adr, mkznode(rp1, zbrar1, bv, false, nused), iast) → (zbrar1[n].key = zbrar0[n].key ↔ true)

System applied rule normalize

And obtained the following new goals

Proof step 2:
# zbrar0 = BRANCH_SIZE, # zbrar0 = # zbrar1, n < nused, unmodified(adr, mkznode(rp0, zbrar0, bv, false, nused), iast), unmodified(adr, mkznode(rp1, zbrar1, bv, false, nused), iast), nused ≤ BRANCH_SIZE ⊦ zbrar1[n].key = zbrar0[n].key ↔ true

Proof step 1 from proof unmodified-clean-eq-keys (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information