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Proof step 14 from proof putarray-add-butlast (previous step)

⊦ (addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals) + 1)])[r -- n→i(# vals) ', initial_value(ty)]) = (addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals))])[r -- n→i(# vals) ', initial_value(ty)] [r -- _length, intval(n→i(# vals) + 1) ] )

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
⊦ (addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals) + 1)])[r -- n→i(# vals) ', initial_value(ty)]) = (addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals))])[r -- n→i(# vals) ', initial_value(ty)] [r -- _length, intval(n→i(# vals) + 1) ] )

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]