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Proof step 9 from proof keys-nodes-in-ri (previous step)

ax.toSet = range ri | n, ri-cons(ri, fs), adr ∈ ax ⊦ fs[adr].key ∈ ri

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

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

Additional information

Used terms: range ri | n, ax.toSet