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Proof step 5 from proof nodes-dealloc (previous step)

adr = @(m, m0, m1) ⊦ (adr ∈ gstore ∧ m ≠ n ∧ ¬ m ∈ ginval ↔ adr ∈ nodes(gstore, ginval) \ (dom nodes(gstore, ginval) | n)) ∧ (adr ∈ gstore -- n ∧ m ≠ n ∧ ¬ m ∈ ginval → nodes(gstore -- n, ginval ++ n)[adr] = (nodes(gstore, ginval) \ (dom nodes(gstore, ginval) | n))[adr])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⊦ (@(m, m0, m1) ∈ gstore ∧ m ≠ n ∧ ¬ m ∈ ginval ↔ @(m, m0, m1) ∈ nodes(gstore, ginval) \ (dom nodes(gstore, ginval) | n)) ∧ ( @(m, m0, m1) ∈ gstore -- n ∧ m ≠ n ∧ ¬ m ∈ ginval → nodes(gstore -- n, ginval ++ n)[@(m, m0, m1)] = (nodes(gstore, ginval) \ (dom nodes(gstore, ginval) | n))[@(m, m0, m1)])

Proof step 5 from proof nodes-dealloc (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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