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: |
|---|---|---|---|
| rev-rev | proved | all subs proved | rev-at, rev-size, |
| rev-at | proved | all subs proved | rev-at-h, rev, |
| rev-size | proved | all subs proved | rev-size-h, rev, |
| rev-at-h | proved | all subs proved | rev-size-h, rev-rec, rev-base, |
| rev-size-h | proved | all subs proved | rev-rec, rev-base, |
| in-at | proved | all subs proved | in, |
| rev-base | axiom | ||
| rev-rec | axiom | ||
| in | axiom | ||
| rev | axiom |