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Proof step 6 from proof get-puteq (previous step)

(i + j0) ' ≠ sk, getarray(r, i, j, st) = getarray(r0, i, j, st0), 0 ≤ j0, j0 < j, 0 < j ⊦ st[r -- (i + j0) '] = (((i + j0) ' = sk ⊃ val0; st0[r0 -- (i + j0) ']))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
getarray(r, i, j, st) = getarray(r0, i, j, st0), 0 ≤ j0, j0 < j, 0 < j ⊦ (i + j0) ' = sk, st[r -- (i + j0) '] = st0[r0 -- (i + j0) ']

Rule argument

[emptyarg]

Additional information

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