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Proof step 9 from proof validsubset-put-statfield (previous step)

∀ r. ¬ r ∈ st ∧ (r = jvmref ∨ r ∈ st0) → ¬ junkref(str, r, st0[jvmref -- sk, val]), ∀ r, ty. validref(str, r, ty, st) → validref(str, r, ty, st0) ⊦ ∀ r. ¬ r ∈ st ∧ r ∈ st0 → ¬ junkref(str, r, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
r ∈ st0, junkref(str, r, st0), ∀ r, ty. validref(str, r, ty, st) → validref(str, r, ty, st0), ∀ r. ¬ r ∈ st ∧ (r = jvmref ∨ r ∈ st0) → ¬ junkref(str, r, st0[jvmref -- sk, val]) ⊦ r ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]