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Proof step 21 from proof okarray-put-02 (previous step)

¬ (okprimtype(byteval(by), byte_type) ∧ 0 ≤ j ∧ j < st[r0 -- _length] .intval ∧ okarray(refval(r0), byte_type, st[r0 -- _length] .intval, st)), okarray(refval(r0), byte_type, st[r0 -- _length] .intval, st) ⊦ r0 = jvmref, okarray(refval(r0), byte_type, st[r0 -- _length] .intval, st[r0 -- j ', byteval(by)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
okarray(refval(r0), byte_type, st[r0 -- _length] .intval, st) ⊦ r0 = jvmref, okarray(refval(r0), byte_type, st[r0 -- _length] .intval, st[r0 -- j ', byteval(by)]), ¬ j < 0 ∧ ¬ st[r0 -- _length] .intval ≤ j

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i], [CSIMPSEQ : ⊦ ¬ i ≤ j ↔ j < i], [CSIMPSEQ : ⊦ is_bytevalue(byteval(by))], [CSIMPSEQ : ⊦ okprimtype(val, byte_type) ↔ is_bytevalue(val)])]]