Mon, 28 Jan 2019 20:32:09 +0100 | wenzelm | revert accident with raw Unicode (not Isabelle symbols) in 7404f5b91e56; | changeset | files |
Mon, 28 Jan 2019 16:29:11 +0100 | nipkow | changed precedence of big operators: now like any other function symbol | changeset | files |