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Proof step 9 from proof crash-neutral-unmap (previous step)

m < # avols[v], ebm-cons(avols), ebm-cons(avols0), v ∈ avols, avols ⊆ avols0 ⊦ ∀ v0. (v0 ∈ avols[v, avols[v][m, unmapped]] ↔ v0 ∈ avols0) ∧ ( v0 ∈ avols[v, avols[v][m, unmapped]] → # avols[v, avols[v][m, unmapped]][v0] = # avols0[v0] ∧ (∀ m0. m0 < # avols[v, avols[v][m, unmapped]][v0] ∧ avols[v, avols[v][m, unmapped]][v0][m0] ≠ unmapped → (avols[v, avols[v][m, unmapped]][v0][m0] = erased → avols0[v0][m0] = erased) ∧ (avols[v, avols[v][m, unmapped]][v0][m0].mapped? → avols0[v0][m0] = avols[v, avols[v][m, unmapped]][v0][m0])))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
m < # avols[v], ebm-cons(avols0), ebm-cons(avols), v ∈ avols, avols ⊆ avols0 ⊦ (v0 ∈ avols[v, avols[v][m, unmapped]] ↔ v0 ∈ avols0) ∧ ( v0 ∈ avols[v, avols[v][m, unmapped]] → # avols[v, avols[v][m, unmapped]][v0] = # avols0[v0] ∧ ( m0 < # avols[v, avols[v][m, unmapped]][v0] ∧ avols[v, avols[v][m, unmapped]][v0][m0] ≠ unmapped → (avols[v, avols[v][m, unmapped]][v0][m0] = erased → avols0[v0][m0] = erased) ∧ (avols[v, avols[v][m, unmapped]][v0][m0].mapped? → avols0[v0][m0] = avols[v, avols[v][m, unmapped]][v0][m0])))

Proof step 9 from proof crash-neutral-unmap (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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