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Proof step 31 from proof addarrays-auto-22 (previous step)

# 2 ' = 1, 3 = countrefs(2 ' + 2 ') ⊦ addmultiarrays(firstn(2, r ' + r0 ' + r1 '), 1, r1 ', ty, 2 ' + 2 ', addarray(r1 ' .first, ty, 2 ' .first, st)) = addarray(r, mkarraytype(ty), refval(r0) ' + refval(r1) ', addarray(r0, ty, 2, addarray(r1, ty, 2, st)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 30:
3 = countrefs(2 ' + 2 ') ⊦ addmultiarrays(firstn(2, r ' + r0 ' + r1 '), 1, r1 ', ty, 2 ' + 2 ', addarray(r1, ty, 2, st)) = addarray(r, mkarraytype(ty), refval(r0) ' + refval(r1) ', addarray(r0, ty, 2, addarray(r1, ty, 2, st)))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ' .first = i], [CSIMPSEQ : ⊦ r ' .first = r], [CSIMPSEQ : ⊦ # i ' = 0 +1])]]