PVS GPLed
Josef Urban <[email protected]>
| Newsgroups | gmane.comp.mathematics.mizar |
|---|---|
| Message-ID | <[email protected]> |
Hi, I just noted that PVS has been licensed under GPL since Dec 2006: http://pvs.csl.sri.com/mail-archive/pvs-announce/msg00007.html . Mizar is thus the last major proof assistant whose sources are closed, and licensing unclear. Josef