| ∀ str. (str ∈ entries ↔ dentrykey(ino, str) ∈ ri) ∧ (str ∈ entries → entries[str] = fs[ri[dentrykey(ino, str)]].ino) ⊦ (str ∈ entries ↔ dentrykey(ino, str) ∈ ri) ∧ (str ∈ entries → entries[str] = abs-children(ino, fs, ri)[str]) |
Used simplifier rules: at-children: ⊦ dentrykey(ino, str) ∈ ri → abs-children(ino, fs, ri)[str] = fs[ri[dentrykey(ino, str)]].ino; Used terms: str