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Proof step 51 from proof prepost-read-superblock (previous step)

avol[0] = mapped(buf1), LEB_SIZE < # buf1, is-encoded(sb0, buf1), LEB_SIZE ≤ # buf1 + (LEB_SIZE - # buf1), ∀ n. n < # avol ∧ avol[n].mapped? → # avol[n].data ≤ LEB_SIZE ∧ is-aligned(# avol[n].data, EB_PAGE_SIZE) ⊦ # avol = 0

User applied rule all left

And closed the goal!

Rule argument

pos: left 5 terms: 0 abort: F discard: T computed: F

Additional information

Used simplifier rules: ⊦ 0 < m ↔ m ≠ 0; (s)% ⊦ mapped(buf).mapped?; (s)% ⊦ mapped(buf).data = buf; (s)% ⊦ m < n → (n ≤ m ↔ false); (s) Used terms: 0