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Proof step 21 from proof refsize-cons-write (previous step)

st[n0] = mkblock(x1, lax1, m1), st[n] = mkblock(x0, lax0, m0), n0 ∈ st, ¬ n ∈ st ∨ m0 = (as | n).size → m = (as | n).size, ∀ n. n ∈ st → st[n].ref-size = (as | n).size ⊦ m1 = (as | n0).size, n0 = n, n ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 22:
(∅)[n] = mkblock(x0, lax0, m0), st[n0] = mkblock(x1, lax1, m1), n0 ∈ st, ∀ n. n ∈ st → st[n].ref-size = (as | n).size ⊦ m1 = (as | n0).size, n ∈ st

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ n ∈ st → st[n] = (∅)[n]; (s)