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Proof step 21 from proof in-remove-refsize0-refsize-cons (previous step)

st[m] = mkblock(x0, lax0, 0), (∅)[m] = mkblock(x, lax, m2), @(m, m0, 0) ∈ st, @(m, m0, 0) ∈ as, m ∈ st, ∀ n. n ∈ st → inv(st[n]) ⊦ # as = 0, as = ∅

User applied rule all left

And obtained the following new goals

Proof step 22:
(∅)[m] = mkblock(x, lax, m2), st[m] = mkblock(x0, lax0, 0), m ∈ st, @(m, m0, 0) ∈ as, @(m, m0, 0) ∈ st, m ∈ st → inv(st[m]) ⊦ # as = 0, as = ∅

Rule argument

pos: left 6 terms: m abort: F discard: T computed: T

Additional information

Used terms: m