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Proof step 24 from proof isarray-put (previous step)

¬ r ≠ r1, st[r -- _type] = typeval(mkarraytype(ty0)), r ∈ st, okval(val, ty), okarray(r, ty0, st), r -- _type ∈ st ⊦ r = jvmref, ty = void_type, mkfs(class, ty, fieldvar) ' = _length, okarray(r, ty0, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⊦ okarray(r, ty, st) → r ≠ jvmref ∧ r ∈ st
Proof step 23:
st[r1 -- _type] = typeval(mkarraytype(ty0)), okval(val, ty), okarray(r1, ty0, st), r1 -- _type ∈ st, r1 ∈ st ⊦ r1 = jvmref, ty = void_type, mkfs(class, ty, fieldvar) ' = _length, okarray(r1, ty0, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ r -- sk ∈ st → r ∈ st])]]