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: |
|---|---|---|---|
| diag-theorem-butlast | proved | all subs proved | infinite-append-butlast, nextl-lemma-butlast-nonempty, |
| infinite-append-butlast | proved | all subs proved | infinite-append, |
| infinite-append | proved | all subs proved | weakmon-lem, infinite-append-lem, |
| infinite-append-lem | proved | all subs proved | |
| weakmon-lem | proved | all subs proved | |
| nextl-lemma-butlast-nonempty | proved | all subs proved |