Online help provides a fast lookup and browsing facility to this manual. The online manual can show predicate definitions as well as entire sections of the manual.
.BD .C help 0 Equivalent to help(help/1). .C help 1 +What Show specified part of the manual. What is one of:
Name/Arity | give help on specified predicate |
Name | give help on named predicate with any arity or C interface function with that name |
Section | display specified section. section numbers are dash-separated numbers: 2-3 refers to section 2.3 of the manual. Section numbers are obtained using apropos/1. |
Examples
?- help(assert). | give help on predicate assert |
?- help(3-4). | display section 3.4 of the manual |
?- help('PL_retry'). | give help on interface function PL_retry() |
?- apropos(file). | Display predicates, functions and sections that have `file' (or `File', etc.) in their summary description. |