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Proof step 1 from proof pathex-nopathex-diff (conclusion)
⊦ validrefnotnull(str, r, ty, st) ∧ ¬ path∃(str, r, r1, st) ∧ path∃(str, r, r2, st) → r1 ≠ r2
Heuristic simplifier applied rule simplifier
And closed the goal!
Rule argument
[emptyarg]
Additional information
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ validrefnotnull (str, r, ty, st) → r ≠ jvmref])]]