HOL/ROOT/HOL_dup_cs: removed as obsolete
HOL/ROOT: now passes "classical" to Classical_Fun
HOL/ROOT: no longer proves rev_cut_eq for hyp_subst_tac
Finite = Lfp +
consts Fin :: "'a set => 'a set set"
rules
Fin_def "Fin(A) == lfp(%F. insert({}, UN x:A. insert(x)``F))"
end