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Proof step 8 from proof newref-1dim-01 (previous step)

0 < i ⊦ newref(r0, addarray(r, val, i, st)) ↔ r ≠ r0 ∧ newref(r0, st)

User applied rule induction

And obtained the following new goals

Proof step 7:
0 < i, ∀ st, val, r, r0, i0. i→n(i0) < i→n(i) → (0 < i0 → (newref(r0, addarray(r, val, i0, st)) ↔ r ≠ r0 ∧ newref(r0, st))) ⊦ newref(r0, addarray(r, val, i, st)) ↔ r ≠ r0 ∧ newref(r0, st)

Rule argument

[INDHYPARG : [STANDARDINDUCTIONTYPE : ], true, false, i→n(i), [] → [], <]

Additional information

[[CONCRETESIMPRULES : ([CSIMPLESSPRED : <])], [EXTRATERMS : (i→n(i))]]