mueller [Wed, 04 Jun 1997 10:58:56 +0200] rev 3394
changed priority of -> from [6,5]5 to [1,0]0
wenzelm [Tue, 03 Jun 1997 16:38:58 +0200] rev 3393
is_blank: fixed space2;
paulson [Tue, 03 Jun 1997 12:03:38 +0200] rev 3392
No longer refers to internal TFL structures
paulson [Tue, 03 Jun 1997 11:08:08 +0200] rev 3391
More de-HOLification: using Free, Const, etc. instead of mk_var, mk_const
Changed the TFL functor to a structure (currently called Prim)
paulson [Tue, 03 Jun 1997 10:56:04 +0200] rev 3390
New theory "Power" of exponentiation (and binomial coefficients)
paulson [Tue, 03 Jun 1997 10:53:58 +0200] rev 3389
New theorem about the cardinality of the powerset (uses exponentiation)