Added XOR EQUIV IMPLY and SET-EQUAL to cesarum utility.

Author Pascal J. Bourguignon <pjb@informatimago.com>
Author date 2012-03-04 17:48:26
Author local date 2012-03-04 18:48:26 +0100
Committer Pascal J. Bourguignon <pjb@informatimago.com>
Committer date 2012-03-04 17:48:26
Committer local date 2012-03-04 18:48:26 +0100
Commit 7be23581ffa2845f57ee408b404ff351012d5ade
Tree e7cf2125ed301acb9713b26ec813c06c864f5632
Parent aa26e3376dbbd4d7e1f6c95f6aea8cdaaeb8cf75
Added XOR EQUIV IMPLY and SET-EQUAL to cesarum utility.
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