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Proof step 7 from proof validrefkeynotnull-statfield-intersect (previous step)

st .refs ∩ st1 .refs = ∅, st[jvmref -- fs '] = refval(r), jvmref -- fs ' ∈ st, r ≠ jvmref ∧ validref(str, r, ty, st), jvmref ∈ st1, jvmref ∈ st ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
st[jvmref -- fs '] = refval(r), st .refs ∩ st1 .refs = ∅, jvmref ∈ st, jvmref ∈ st1, validref(str, r, ty, st), jvmref -- fs ' ∈ st ⊦ r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]