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Proof step 17 from proof okarray-init-04 (previous step)

j ≤ n→i(# vals), is_bytevalue((vals + byteval(by) ')[i→n(j)]), j < n→i(# vals), 0 ≤ j ⊦ vals = [], r = jvmref, is_bytevalue(vals[i→n(j)])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 13:
⊦ n < # vals → (vals + val ')[n] = vals[n]
Proof step 16:
¬ i→n(j) < # vals, j ≤ n→i(# vals), is_bytevalue((vals + byteval(by) ')[i→n(j)]), j < n→i(# vals), 0 ≤ j ⊦ vals = [], r = jvmref, is_bytevalue(vals[i→n(j)])

Rule argument

[speclemmaarg: ,n < # vals → (vals + val ')[n] = vals[n] ,[n, val, vals] → [i→n(j), byteval(by), vals] ,F ,list-del ,javavalues ,get-butlast ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i→n(j), byteval(by), vals)]]