This is the revision history for false in <freenode.net:#perlbot>

factoid_idsubjectcopulapredicateauthornamespace
16128 false is undef, 0, "", "0", and builtin::false simcop2387 <*:##NULL>
10880 false is undef, 0, "", "0" mauke^ <*:##NULL>
10788 false is undef, 0, "", "0", () rewt <*:##NULL>
10317 false is undef, 0, "", "0" rindolf <*:##NULL>
10316 false is any of those. rindolf <*:##NULL>
9112 false is undef, 0, "", "0" mauke <*:##NULL>
9111 false is undef, 0, """, "0" mauke <*:##NULL>
9110 false is mauke <*:##NULL>
9109 false is undef, 0, "", "0" for scalars, empty list for lists (so if (@x = (undef())) is true). rindolf <*:##NULL>
9108 false is rindolf <*:##NULL>
4433 false is undef, 0, "", "0" perlbot <*:##NULL>