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Proof step 4 from proof nodes-referenced-adrs-leb (previous step)

gstore[n] = groupblock(gndx, lax, m), ri-cons(ri, nodes(gstore ↓, ginval)), n ∈ gstore ⊦ referenced-adrs(lax.to-adr(n), ri).toSet = range ri | n, n ∈ ginval

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ as = as0 ↔ (∀ adr. adr ∈ as ↔ adr ∈ as0)
Proof step 6:
gstore[n] = groupblock(gndx, lax, m), ri-cons(ri, nodes(gstore ↓, ginval)), n ∈ gstore ⊦ n ∈ ginval, ∀ adr. adr ∈ referenced-adrs(lax.to-adr(n), ri).toSet ↔ adr ∈ range ri | n

Rule argument

spec: set-basic, inst: node-store name: Extension seq: ⊦ as = as0 ↔ (∀ adr. adr ∈ as ↔ adr ∈ as0) subst: [as0, as] → [range ri | n, referenced-adrs(lax.to-adr(n), ri).toSet] flags: <all paths>

Additional information

Used terms: range ri | n, referenced-adrs(lax.to-adr(n), ri).toSet