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Proof step 25 from proof newrefs-last-01 (previous step)

∀ st0. ¬ (newref(st0) ' + newref_list(m, st0[newref(st0) -- 0 ', noval])) .last ∈ newref_list(m, st0) ⊦ ¬ (newref(st[newref(st) -- 0 ', noval]) ' + newref_list(m, st[newref(st) -- 0 ', noval][newref(st[newref(st) -- 0 ', noval]) -- 0 ', noval])) .last ∈ newref_list(m, st[newref(st) -- 0 ', noval]) ∧ (newref(st[newref(st) -- 0 ', noval]) ' + newref_list(m, st[newref(st) -- 0 ', noval][newref(st[newref(st) -- 0 ', noval]) -- 0 ', noval])) .last ≠ newref(st)

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Rule argument

[fma-arg: newref_list (m, st[newref(st) -- 0 ', noval] [newref(st[newref(st) -- 0 ', noval]) -- 0 ', noval ]) = [] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : ( newref_list (m, st[newref(st) -- 0 ', noval] [newref(st[newref(st) -- 0 ', noval]) -- 0 ', noval ]) = [])]]