I have had the same problem and reported the bug (before knowing such bug already here). Thank you for your detailed removal method and I'd manually clear them to prevent clogging system up.
-- dpkg: error processing ttf-mathematica4.1 (--install) https://bugs.launchpad.net/bugs/299427 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
