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Proof step 5 from proof gft-out (previous step)

⊦ r -- mkfs(class, ty, fieldvar) ' = _out, r = jvmref, r -- mkfs(class, ty, fieldvar) ' ∈ st[_out, val] ∧ okval(st[_out, val][r -- mkfs(class, ty, fieldvar) '], ty) ↔ r -- mkfs(class, ty, fieldvar) ' ∈ st ∧ okval(st[r -- mkfs(class, ty, fieldvar) '], ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
⊦ r = jvmref, r -- mkfs(class, ty, fieldvar) ' ∈ st[_out, val] ∧ okval(st[_out, val][r -- mkfs(class, ty, fieldvar) '], ty) ↔ r -- mkfs(class, ty, fieldvar) ' ∈ st ∧ okval(st[r -- mkfs(class, ty, fieldvar) '], ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ≠ jvmref → r -- sk ≠ _out])]]