paulson [Tue, 09 Mar 1999 11:01:39 +0100] rev 6308
Added Bella's "Gets" model for Otway_Rees. Also affects some other theories.
Changing "spies" to "knows Spy", etc. Retaining the constant "spies" as a
translation.
berghofe [Fri, 05 Mar 1999 12:11:54 +0100] rev 6305
Fixed bug in add_datatype_axm:
Recursion and case combinators were assigned inconsistent names in
quick_and_dirty mode, which caused recdef etc. to crash.