A lemma (entry) may depend on lemmas (entries) below its position, but never on lemmas above its position. This means the list is a topological order of the dependency graph. An entry 'all subs proved' means that all used lemmas are (transitively) proved.
| Name: | Status: | Subs proved? | Used: |
|---|---|---|---|
| reduce-initial | proved | all subs proved | ubi-io-peb-initial, ubi-io-initial, |
| ubi-io-initial | axiom | ||
| ubi-io-peb-initial | axiom |