| n < # avols0[default-volid], m < # avols0[default-volid], ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0 ⊦ abs(avols0[default-volid])[n] = abs(avols0[default-volid][m, mapped(emptyleb, 0)])[n], n = m |
m < # avols0[default-volid], n < # avols0[default-volid], ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0 ⊦ abs(avols0[default-volid][n]) = abs(avols0[default-volid][m, mapped(emptyleb, 0)])[n], n = m
Used simplifier rules: ⊦ n < # evol → abs(evol)[n] = abs(evol[n]); (s)