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Proof step 7 from proof short-length (previous step)

st[r -- _length] .intval ≤ 32767, okarray(r, ty, st), r ∈ st ⊦ s2i(i2s(st[r -- _length] .intval)) = st[r -- _length] .intval, r = jvmref

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ i ∈short → s2i(i2s(i)) = i
Proof step 6:
¬ st[r -- _length] .intval ∈short, st[r -- _length] .intval ≤ 32767, okarray(r, ty, st), r ∈ st ⊦ s2i(i2s(st[r -- _length] .intval)) = st[r -- _length] .intval, r = jvmref

Rule argument

[speclemmaarg: ,i ∈short → s2i(i2s(i)) = i ,[i] → [st[r -- _length] .intval] ,F ,byte , ,sis-in ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st[r -- _length] .intval)]]