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Proof step 11 from proof newrefs-in (previous step)

r ∈ st, r ∈ newref_list(n, st) ⊦

User applied rule structural induction

And obtained the following new goals

Proof step 3:
⊦ ¬ (r ∈ st ∧ r ∈ newref_list(0, st))
Proof step 10:
∀ r, st. ¬ (r ∈ st ∧ r ∈ newref_list(m, st)) ⊦ ¬ (r ∈ st ∧ r ∈ newref_list(m +1, st))

Rule argument

[VARWITHFMAVARSARG : n, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : nat generated by 0, +1;])]]