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Proof step 13 from proof validrefkeynotnull-statfield-intersect (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
st .refs ∩ st1 .refs = ∅, jvmref -- fs ' ∈ st, validrefvalnotnull(str, st[jvmref -- fs '], ty, st), jvmref ∈ st1, jvmref ∈ st ⊦

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ r -- sk ∈ st → r ∈ st])]]