This PR adds `Option.pfilter`, a variant of `Option.filter` and several lemmas for it and other `Option` functions. These lemmas are split off from #7400. |
||
|---|---|---|
| .. | ||
| Attach.lean | ||
| Basic.lean | ||
| BasicAux.lean | ||
| Instances.lean | ||
| Lemmas.lean | ||
| List.lean | ||
| Monadic.lean | ||
This PR adds `Option.pfilter`, a variant of `Option.filter` and several lemmas for it and other `Option` functions. These lemmas are split off from #7400. |
||
|---|---|---|
| .. | ||
| Attach.lean | ||
| Basic.lean | ||
| BasicAux.lean | ||
| Instances.lean | ||
| Lemmas.lean | ||
| List.lean | ||
| Monadic.lean | ||