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Proof step 2 from proof isobj-instfields (conclusion)

⊦ sk ∈ instfields(st[r -- _type] .type .class) ∧ is_obj(r, class, st) → st[r -- _type] = typeval(mkclasstype(class))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ is_obj(r, class, st) → (st[r -- _type] ≠ typeval(mkclasstype(class)) ↔ false)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]