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Proof step 24 from proof isobj-put-badfield (conclusion)

⊦ is_obj(r, st) ∧ fs ' ≠ _type ∧ ¬ fs ' ∈ instfields(st[r -- _type] .type .class) → is_obj(r, st[r -- fs ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 23:
is_obj(r, st) ⊦ fs ' = _type, fs ' ∈ instfields(st[r -- _type] .type .class), is_obj(r, st[r -- fs ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]