2012-07-12 | Christian Urban | streamlined definition of alpha-equivalence for single binders (used flip instead of swap) | file | diff | annotate |
2012-06-04 | Christian Urban | added permutation simplification to the simplifier; this makes the simplifier more powerful, but it potentially loops more often | file | diff | annotate |
2011-12-23 | Christian Urban | included Pi theory in tests | file | diff | annotate | base |