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Proof step 31 from proof crash-neutral-write (previous step)

m2 < # avols[v], ebm-cons(avols0), ebm-cons(avols), is-aligned(n, EB_PAGE_SIZE), is-aligned(m1, EB_PAGE_SIZE), v ∈ avols, n + n2 ≤ # buf, m1 + n ≤ LEB_SIZE, ∀ v. (v ∈ avols ↔ v ∈ avols0) ∧ ( v ∈ avols → # avols[v] = # avols0[v] ∧ (∀ m. m < # avols[v] ∧ avols[v][m] ≠ unmapped → (avols[v][m] = erased → avols0[v][m] = erased) ∧ (avols[v][m].mapped? → avols0[v][m] = avols[v][m]))) ⊦ n = 0, avols[v][m2].mapped?, (v0 ∈ avols[v, avols[v][m2, unmapped]] ↔ v0 ∈ avols0) ∧ ( v0 ∈ avols[v, avols[v][m2, unmapped]] → # avols[v, avols[v][m2, unmapped]][v0] = # avols0[v0] ∧ ( m < # avols[v, avols[v][m2, unmapped]][v0] ∧ avols[v, avols[v][m2, unmapped]][v0][m] ≠ unmapped → (avols[v, avols[v][m2, unmapped]][v0][m] = erased → avols0[v0][m] = erased) ∧ (avols[v, avols[v][m2, unmapped]][v0][m].mapped? → avols0[v0][m] = avols[v, avols[v][m2, unmapped]][v0][m])))

User applied rule all left

And obtained the following new goals

Proof step 32:
v0 ∈ avols ↔ v0 ∈ avols0, m2 < # avols[v], ebm-cons(avols), ebm-cons(avols0), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), v ∈ avols, m1 + n ≤ LEB_SIZE, n + n2 ≤ # buf, v0 ∈ avols → # avols[v0] = # avols0[v0] ∧ (∀ m. m < # avols[v0] ∧ avols[v0][m] ≠ unmapped → (avols[v0][m] = erased → avols0[v0][m] = erased) ∧ (avols[v0][m].mapped? → avols0[v0][m] = avols[v0][m])) ⊦ n = 0, avols[v][m2].mapped?, (v0 ∈ avols[v, avols[v][m2, unmapped]] ↔ v0 ∈ avols0) ∧ ( v0 ∈ avols[v, avols[v][m2, unmapped]] → # avols[v, avols[v][m2, unmapped]][v0] = # avols0[v0] ∧ ( m < # avols[v, avols[v][m2, unmapped]][v0] ∧ avols[v, avols[v][m2, unmapped]][v0][m] ≠ unmapped → (avols[v, avols[v][m2, unmapped]][v0][m] = erased → avols0[v0][m] = erased) ∧ (avols[v, avols[v][m2, unmapped]][v0][m].mapped? → avols0[v0][m] = avols[v, avols[v][m2, unmapped]][v0][m])))

Rule argument

pos: left 9 terms: v0 abort: F discard: T computed: T

Additional information

Used terms: v0