src/Pure/proofterm.ML
2001-10-10 berghofe 2001-10-10 Tuned several functions to improve sharing of unchanged subproofs.
2001-10-03 paulson 2001-10-03 eta-expansion required for SML/NJ
2001-09-28 berghofe 2001-09-28 - Exchanged % and %%. - Fixed bug in shrink.
2001-09-01 wenzelm 2001-09-01 renamed `keep_derivs' to `proofs', and made an integer;
2001-08-31 wenzelm 2001-08-31 fixed header;
2001-08-31 berghofe 2001-08-31 New implementation of LF style proof terms.