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Proof step 30 from proof add-gft (previous step)

fs = mkfs(class, ty0, fieldvar) ⊦ r = r0, r0 -- fs ' ∈ st ∧ oktype(st[r0 -- fs '], ty0, addarray(r, ty, vals, st)) ↔ goodfieldandtype(r0, fs ', st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
⊦ r = r0, r0 -- mkfs(class, ty0, fieldvar) ' ∈ st ∧ oktype(st[r0 -- mkfs(class, ty0, fieldvar) '], ty0, addarray(r, ty, vals, st)) ↔ goodfieldandtype(r0, mkfs(class, ty0, fieldvar) ', st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]