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Proof step 1 from proof crash-neutral-unmap (conclusion)

m < # avol, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨ebm_avol_unmap#(m; avol)⟩ (avol ⊆ avol0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
m < # avol, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨ebm_avol_unmap#(m; avol)⟩ (avol ⊆ avol0)

Rule argument

Additional information

Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic