Question: I am trying to write prolog code from my notepad and run it on SWI-Prolog (the owl icon). except when I try to run it,

I am trying to write prolog code from my notepad and run it on SWI-Prolog (the owl icon). except when I try to run it, it spits out an error.

this is the code on notepad: guess_num :- loop(start).

loop(15) :-('you guessed it).

loop(X) :- X\= 15, write('guess number '), write(' is not the number, try again'), nl, read(Guess), write(Guess), loop(Guess).

then when I try and run it in SWI, I press File > Consult, and open my .pl (notepad) file from the file explorer. It compiles without error.

when I type 'guess_num.' to try and run the loop it says error: unknown procedure

does anyone know what is happening and how I can fix it?

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