| Mon, 17 Jan 2011 12:33:37 +0000 | Christian Urban | eliminated tracing code; added flag so that equivariance is only proved for the function graph, not the relation | changeset | files |
| Sat, 15 Jan 2011 21:16:15 +0000 | Christian Urban | subst also works now | changeset | files |
| Sat, 15 Jan 2011 20:24:16 +0000 | Christian Urban | nominal_function works now completely for frees and depth; still a propbelm with subst; no unproved assumptions | changeset | files |