Changes by: Xin Yu (xiny at cs.caltech.edu)
Date: 2002-03-03 18:20:01 -0800 (Sun, 03 Mar 2002)
Revision: 3527
Log message:
1. Replaced equality relations with equivalence relations in
the definition axioms for "op", "inv", and "id".
2. Defined the equivalence functionality for "op" and "inv".
3. Changed the tactics for "left and right cancellation laws"
(i.e., groupCancelLeftT and groupCancelRightT) to make it
easier to use.
4. Re-proved all properties.
Changes | Path |
+82 -407 | metaprl/theories/czf/czf_itt_group.ml |
+4 -2 | metaprl/theories/czf/czf_itt_group.mli |
+4640 -3562 | metaprl/theories/czf/czf_itt_group.prla |