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Proof step 6 from proof dom-istore-crash-refm-refsize0 (previous step)

remove-refsize0(istore0) = istore0 ⊦ n ∈ remove-refsize0(crash(istore, istore0)) ↔ n ∈ istore0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 7:
⊦ n ∈ remove-refsize0(istore) ↔ n ∈ istore ∧ istore[n].ref-size ≠ 0
Proof step 8:
remove-refsize0(istore0) = istore0 ⊦ n ∈ crash(istore, istore0) ∧ crash(istore, istore0)[n].ref-size ≠ 0 ↔ n ∈ istore0

Rule argument

spec: ablock-store-inv, inst: index-store name: in-remove-refsize0 seq: ⊦ n ∈ remove-refsize0(istore) ↔ n ∈ istore ∧ istore[n].ref-size ≠ 0 subst: [istore, n] → [crash(istore, istore0), n] flags: <all paths>

Additional information

Used terms: crash(istore, istore0), n