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Proof step 21 from proof get-get (previous step)

n→i(n) < j ⊦ (getarray(r, i, j, st)[n]) = st[r -- (i + n→i(n)) ']

User applied rule induction

And obtained the following new goals

Proof step 20:
n→i(n) < j, ∀ j0, n, r, i, st. i→n(j0) < i→n(j) → (n→i(n) < j0 → (getarray(r, i, j0, st)[n]) = st[r -- (i + n→i(n)) ']) ⊦ (getarray(r, i, j, st)[n]) = st[r -- (i + n→i(n)) ']

Rule argument

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

Additional information

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