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Proof step 63 from proof refine-remap (previous step)

avol = abs(avols0[default-volid]), err = err1, m < # avols0[default-volid], m < # avol, ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0, ⌊err1⌋ ⊦ avol[m, unmapped] = abs(avols0[default-volid][m, unmapped]) ∧ err1 = err, avol = abs(avols0[default-volid][m, unmapped]) ∧ err1 = err

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 64:
m < # avols0[default-volid], ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0, ⌊err1⌋ ⊦ abs(avols0[default-volid])[m, unmapped] = abs(avols0[default-volid][m, unmapped]), abs(avols0[default-volid]) = abs(avols0[default-volid][m, unmapped])

Rule argument

Additional information

Used simplifier rules: ⊦ # abs(evol) = # evol; (s)