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Proof step 3 from proof le-mapped (previous step)

# avol0 = # avol1, avol1[n] = unmapped, avol0[n] = mapped(buf), n < # avol1, ∀ m. m < # avol1 → (avol0[m].mapped? → avol1[m] = avol0[m]) ∧ (avol0[m] = unmapped ∧ avol1[m].mapped? → # avol1[m].data ≤ LEB_SIZE ∧ is-aligned(# avol1[m].data, EB_PAGE_SIZE)) ⊦

User applied rule all left

And closed the goal!

Rule argument

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

Additional information

Used simplifier rules: ⊦ unmapped ≠ mapped(buf); (s)% ⊦ mapped(buf).mapped?; (s) Used terms: n