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Proof step 7 from proof ac-new (previous step)

∀ r, class1, st. newref(r, addclass(class1, fis0, st)) ↔ newref(r, st) ⊦ r ≠ jvmref ∧ newref(r, addclass(class1, fis0, st)) ↔ newref(r, st)

User applied rule cut formula

And obtained the following new goals

Proof step 6:
r ≠ jvmref, ∀ r, class1, st. newref(r, addclass(class1, fis0, st)) ↔ newref(r, st) ⊦ r ≠ jvmref ∧ newref(r, addclass(class1, fis0, st)) ↔ newref(r, st)

Rule argument

[fma-arg: r ≠ jvmref]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ newref(jvmref, st)])], [EXTRAFMAS : (r ≠ jvmref)]]