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Proof step 1 from proof nodes-append (conclusion)

n ∈ st, ¬ ladr ∈ lax ⊦ inv(mkblock(x, lax, m0)) ∧ st[n] = mkblock(x, lax, m0) → nodes(st[n, mkblock(x + a ', lax + ladr ', m1)]) = nodes(st)[@(n, ladr.off, ladr.size), a]

System applied rule normalize

And obtained the following new goals

Proof step 2:
st[n] = mkblock(x, lax, m0), inv(mkblock(x, lax, m0)), n ∈ st ⊦ nodes(st[n, mkblock(x + a ', lax + ladr ', m1)]) = nodes(st)[@(n, ladr.off, ladr.size), a], ladr ∈ lax

Proof step 1 from proof nodes-append (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information