* For other examples, please see lpiverify4.pl, lpiverify4_types.pl (for examples with types, including the list type), lpiverify4_open.pl (for examples with open-ended results) and lpiverify4_open_types.pl (for examples with open-ended results with types). * See https://github.com/luciangreen/listprologinterpreter/blob/master/LPI_docs.md for complete List Prolog Documentation.