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Proof step 28 from proof encode-contract (previous step)

# buf = n0 + n + encoding-size(a), # buf1 = # buf, align↑(encoding-size(a), ENCODED_ELEM_ALIGNMENT) = n1 + encoding-size(a), subarray(buf1, 0, n) = subarray(buf, 0, n), subarray(buf1, n + encoding-size(a), n0) = subarray(buf, n + encoding-size(a), n0), is-encoded(a, subarray(buf1, n, encoding-size(a))), n + encoding-size(a) ≤ # buf, n + n1 + encoding-size(a) ≤ # buf ⊦ subarray(buf1, n, n1 + encoding-size(a)) = subarray(buf1, n, encoding-size(a)) + subarray(buf1, n + encoding-size(a), n1) ∧ n1 + encoding-size(a) = align↑(encoding-size(a), ENCODED_ELEM_ALIGNMENT)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
# buf1 = # buf, # buf = n0 + n + encoding-size(a), align↑(encoding-size(a), ENCODED_ELEM_ALIGNMENT) = n1 + encoding-size(a), subarray(buf1, n + encoding-size(a), n0) = subarray(buf, n + encoding-size(a), n0), subarray(buf1, 0, n) = subarray(buf, 0, n), is-encoded(a, subarray(buf1, n, encoding-size(a))), n + n1 + encoding-size(a) ≤ # buf, n + encoding-size(a) ≤ # buf ⊦ subarray(buf1, n, n1 + encoding-size(a)) = subarray(buf1, n, encoding-size(a)) + subarray(buf1, n + encoding-size(a), n1)

Proof step 28 from proof encode-contract (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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