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Proof step 8 from proof lebs-size (previous step)

n + m0 < # avol, n + m0 + 1 < # avol, ebm-vol-inv(avol), ∀ n, avol. n + m0 < # avol ∧ ebm-vol-inv(avol) → # lebs(avol, n, m0) = m0 * LEB_SIZE ⊦ # lebs(avol, n, m0) + # (avol[n + m0].mapped? ⊃ avol[n + m0].data + mkempbuf(LEB_SIZE - # avol[n + m0].data);mkempbuf(LEB_SIZE)) = LEB_SIZE * m0 + LEB_SIZE

Heuristic if-then-else split applied rule case distinction

And obtained the following new goals

Proof step 9:
avol[n + m0].mapped?, n + m0 + 1 < # avol, n + m0 < # avol, ebm-vol-inv(avol), ∀ n, avol. n + m0 < # avol ∧ ebm-vol-inv(avol) → # lebs(avol, n, m0) = m0 * LEB_SIZE ⊦ # lebs(avol, n, m0) + #(avol[n + m0].data + mkempbuf(LEB_SIZE - # avol[n + m0].data)) = LEB_SIZE * m0 + LEB_SIZE
Proof step 11:
n + m0 + 1 < # avol, n + m0 < # avol, ebm-vol-inv(avol), ∀ n, avol. n + m0 < # avol ∧ ebm-vol-inv(avol) → # lebs(avol, n, m0) = m0 * LEB_SIZE ⊦ # lebs(avol, n, m0) + # mkempbuf(LEB_SIZE) = LEB_SIZE * m0 + LEB_SIZE, avol[n + m0].mapped?

Rule argument

pos: right 1

Proof step 8 from proof lebs-size (previous step)

Heuristic if-then-else split applied rule case distinction

And obtained the following new goals

Rule argument

Additional information