An introduction to information processing language V

i ' . ~1 h~ troduction a ~" Tbis paper is an informal introduction t,o Information ~:~.~:, i}:: }~r{(essit~g Language V (IPL-V), a symbol and list-struc-' ~ ~}:>:< << ~ure lnatfipulacing language presently implemented on the IBM (i50, 704 :rod 709. It contains a discussion of the p'ot,lem context; in which a series of Information Proc-essi~)g L:mguages has developed and of the basic concepts i~corporated in [PL-V.