1996-03-11 ago New, one-line proof of inj_Atom
1996-03-04 ago Added a constant UNIV == {x.True}
1996-02-09 ago Added qed_spec_mp to avoid renaming of bound vars in 'th RS spec'
1996-01-30 ago expanded tabs
1995-10-04 ago added local simpsets; removed IOA from 'make test'
1995-03-28 ago renamed theorem "apfst" to "apfst_conv" to avoid conflict with function
1995-03-24 ago changed syntax of tuples from <..., ...> to (..., ...)
1995-03-03 ago new version of HOL with curried function application