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Proof step 29 from proof newrefs-last-01 (conclusion)

⊦ ¬ newref_list(n + 1, st) .last ∈ newref_list(n, st)

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ newref_list(1, st) = newref(st) '
Proof step 2:
⊦ newref_list(0, st) = []
Proof step 28:
∀ st. ¬ newref_list(m + 1, st) .last ∈ newref_list(m, st) ⊦ ¬ newref_list(m +1 + 1, st) .last ∈ newref_list(m +1, st)

Rule argument

[VARWITHFMAVARSARG : n, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : nat generated by 0, +1;], [CSIMPSEQ : ⊦ r ' .last = r], [CSIMPSEQ : ⊦ ¬ r ∈ []])]]