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Proof step 6 from proof addarray-lastrec (previous step)

addarray(r, vals + val ', i + 1, st) = (addarray(r, vals, i + 1, st)[r -- (n→i(# vals) + i + 1) ', val]) ⊦ (addarray(r, vals + val ', i + 1, st)[r -- i ', val0]) = (addarray(r, vals, i + 1, st)[r -- i ', val0][r -- ((1 + n→i(# vals)) + i) ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
addarray(r, vals + val ', i + 1, st) = (addarray(r, vals, i + 1, st)[r -- (n→i(# vals) + i + 1) ', val]) ⊦ (addarray(r, vals, i + 1, st)[r -- (n→i(# vals) + i + 1) ', val][r -- i ', val0]) = (addarray(r, vals, i + 1, st)[r -- i ', val0][r -- ((1 + n→i(# vals)) + i) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]