| Tue, 12 May 2020 10:59:59 +0200 | nipkow | "app" -> "join" for RBTs | changeset | files |
| Tue, 12 May 2020 10:24:53 +0200 | nipkow | "app" -> "join" for uniformity with Join theory; tuned defs | changeset | files |
| Mon, 11 May 2020 19:41:31 +0200 | nipkow | added top-level functions and tuned | changeset | files |