How to install swi Prolog's graphical debugger on Linux (ubuntu)

0
votes

I am new to Prolog and when I try to invoke the graphical debugger I get the following error message:

ERROR: Undefined procedure: guitracer/0 (DWIM could not correct goal)

How to solve this?

1
linuxubuntuprologswi-prolog
reinstalled it. Now it works, I've probably messed up the installation somehow the first time. thanks anyway. - areobe

1 Answers

2
votes

Have you tried :- use_module(library(gui_tracer)). link