On 18.05.2016 13:30, Roman wrote: > Sergei, try also > > debug = \ {_ _ _} -> implic prime∣split Why should that help? -- Andreas Abel <>< Du bist der geliebte Mensch. Department of Computer Science and Engineering Chalmers and Gothenburg University, Sweden andreas.abel at gu.se http://www2.tcs.ifi.lmu.de/~abel/