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Proof step 19 from proof newrefs-butlast-01 (conclusion)

⊦ newref_list(n + 1, st) .butlast = newref_list(n, st)

User applied rule structural induction

And obtained the following new goals

Proof step 5:
⊦ newref_list(0 + 1, st) .butlast = newref_list(0, st)
Proof step 18:
∀ st. newref_list(m + 1, st) .butlast = newref_list(m, st) ⊦ newref_list(m +1 + 1, st) .butlast = newref_list(m +1, st)

Rule argument

[VARWITHFMAVARSARG : n, ()]

Additional information

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