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Proof step 2 from proof subarray-avol-write (previous step)

# avol = main + m, n < m ⊦ subarray(avol[main + n, aleb], main, m) = subarray(avol, main, m)[n, aleb]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
# avol = main + m, n < m ⊦ subarray(avol[main + n, aleb], main, m) = subarray(avol, main, m)[n, aleb]

Rule argument

Additional information

Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic