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Proof step 4 from proof switch-obj-01 (previous step)

r ≠ r0 → addarray(r, vals0, i + 1, addobj(r0, class, fis, st)) = addobj(r0, class, fis, addarray(r, vals0, i + 1, st)) ⊦ r = r0, (addarray(r, vals0, i + 1, addobj(r0, class, fis, st))[r -- i ', val]) = addobj(r0, class, fis, addarray(r, vals0, i + 1, st)[r -- i ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
addarray(r, vals0, i + 1, addobj(r0, class, fis, st)) = addobj(r0, class, fis, addarray(r, vals0, i + 1, st)) ⊦ r = r0, (addarray(r, vals0, i + 1, addobj(r0, class, fis, st))[r -- i ', val]) = addobj(r0, class, fis, addarray(r, vals0, i + 1, st)[r -- i ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]