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Proof step 14 from proof add-gft (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
⊦ r = r0, r0 -- mkfs(class, mkclasstype(class0), fieldvar) ' ∈ st ∧ oktype(st[r0 -- mkfs(class, mkclasstype(class0), fieldvar) '], mkclasstype(class0), addarray(r, ty, vals, st)) ↔ r0 -- mkfs(class, mkclasstype(class0), fieldvar) ' ∈ st ∧ oktype(st[r0 -- mkfs(class, mkclasstype(class0), fieldvar) '], mkclasstype(class0), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]