2011-01-17 | Christian Urban | eliminated tracing code; added flag so that equivariance is only proved for the function graph, not the relation | file | diff | annotate |
2011-01-15 | Christian Urban | subst also works now | file | diff | annotate |
2011-01-15 | Christian Urban | nominal_function works now completely for frees and depth; still a propbelm with subst; no unproved assumptions | file | diff | annotate |