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Paulo Moura wrote: > > > On 2009/10/28, at 15:38, Vladimir Mihailenko wrote: > >> Can u say what is wrong with this code: >> >> min(X, Y, X) :- X Nous te conseillons de créer un nouveau sujet pour poser ta question. Here is an example: kb.clauses_not_together.pl. I found it online and claim no responsibility or credit for anything in it, but it's easy going and covers the most important things. useful reference

If you really want this, you should be using Mercury instead. use(d,6). prolog share|improve this question edited Mar 2 '15 at 1:21 Palec 5,03242244 asked May 21 '11 at 15:44 Lyes Khalil 18114 If you put definition_clear_path at the end, does Its going to be infinitely... http://stackoverflow.com/questions/6082779/syntax-error-operator-expected-in-prolog

Syntax Error: , Or ) Expected Prolog

hProlog has no dynamic predicates. share|improve this answer edited Apr 29 '12 at 22:37 answered Apr 29 '12 at 21:09 hardmath 6,74021446 I'm still getting the same error message on the same lines as min(X, Y, Y) :- Y < X.

Inserting an implicit cut in the first clause of min/3 is not a good idea if the second clause may be removed and replaced at any time. Fuchs > Institut fr Informatik > Universit?t Zrich Thanks! but it should be W=dcba. Syntax Error Operator Expected Ocaml Inserting an implicit cut in the first clauseof min/3 is not a good idea if the second clause may be removed andreplaced at any time.

Overloading logical operators and bitwise operators 7. Prolog Syntax Error This may be an editor problem. Paulo Moura Reply | Threaded Open this post in threaded view ♦ ♦ | Report Content as Inappropriate ♦ ♦ Re: Newbie: common Syntax error: Operator expected On 2009/10/28, at http://stackoverflow.com/questions/32580525/syntax-error-operator-expected-in-swi-prolog Download the knowledge base kb.syntax_error.pl and load it into Prolog.

Cheers Bart Demoen Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm_______________________________________________ SWI-Prolog mailing list [hidden email] https://mailbox.iai.uni-bonn.de/mailman/listinfo.cgi/swi-prolog 12 « Return to SWI Prolog | 1 view|%1 views Loading... Syntax Of Prolog The syntax error was presumably earlier in the file. > Can you recomend some resources which explores SWI-Prolog > syntax or provides some simple but working examples... Not the answer you're looking for? When I run this I get the following error: definition_clear_path/3: Undefined procedure: definition_clear_path1/4 However, there are definitions for: definition_clear_path/3 When I enter the rule for definition_clear_path1 from the terminal I get

  1. of Computer Science, University of Beira Interior 6201-001 Covilhã, Portugal Office 3.18 Ext. 3276 Phone: +351 275319891 Fax: +351 275319899 Email: Home page: Research: Blog: -----------------------------------------------------------------
  2. Mihai Fonoage wrote It should be X =< Y.
  3. What should I fix to run under SWI-Prolog? -- View this message in context: http://www.nabble.com/Newbie%3A-common-Syntax-error%3A-Operator-expected-tp26095829p26095829.html Sent from the SWI Prolog mailing list archive at Nabble.com. _______________________________________________ SWI-Prolog mailing list [hidden email]
  4. asked 4 years ago viewed 7903 times active 2 years ago Related 2Syntax error: Operator expected3“Syntax error: Operator expected” in Prolog0PROLOG: “Syntax error: Operator expected”1Prolog “Syntax Error: Operator Expected” Error0PROLOG -

Prolog Syntax Error

edge(7,x). You have not showed us your implementation of append/3. Syntax Error: , Or ) Expected Prolog If you use Prolog terms without commas between them, this is OK if the terms are operators. Prolog Syntax Error . Or Operator Expected After Expression Can u say what is wrong with this code:min(X, Y, X) :- X <= Y.min(X, Y, Y) :- Y < X.ERROR: c:/users/admin/documents/q.pl:1:0: Syntax error: Operator expected% q compiled 0.00 sec, 824

Editeur ● Markdown Vous pouvez rédiger votre message en Markdown ou en HTML uniquement. × × Supprimer Vous n'avez pas les droits suffisant pour supprimer ce sujet ! × × Modérer Variable d is used in node 4, variable x in node 7, etc. f(X, 2) :- X>=3, X<6, !. it give me W=z. Warning Singleton Variables Prolog

When you load this knowledge base Prolog answers: ?- consult('kb.clauses_not_together.pl'). symptom(Patient,sore_throat) :- write("Does ",Patient," have a sore_throat (y/n) ?"), response(Reply), Reply='y'. Nonblocking I2C implementation on STM32 To find the number of X completed, when can I subtract two numbers and when do I have to count? this page Are there any historically significant examples?

What does the word "most" mean? Arguments Are Not Sufficiently Instantiated I just copy/paste examples and get the > same error message (writing first post I thought that the reason is the > same, but now...): > > conc([], L, L). > Normally, you would show in your question the exact error message that you get when you try to compile a program (as a general rule on Stack Overflow, not only for

Would combining all German articles to just one article have a real negative effect on the language? "Surprising" examples of Markov chains How to flood the entire lunar surfaces?

Word for making your life circumstances seem much worse than they are Should I tell potential employers I'm job searching because I'm engaged? I'm trying to write some code that will check if a family is in poverty if they meet certain conditions. Thu, 29 Sep 2005 17:42:06 GMT Joost Kremer#7 / 7 operator expected problem Quote: >> > I save the rule and fact in a file: >> > rev([],[]). >> > Prolog Not Operator What is the patient's name?

This is different from imperative languages, where the inequality symbol usually appears first. ERROR: Syntax error: Operator expected ERROR: rev([a ERROR: ** here ** ERROR: b c d],W) . If we could supply such a module that can be plugged into the compiler without any further work for Jan, I bet he would use it. Get More Info How to flood the entire lunar surfaces?

Everything is around, including file and lineinfo on a per-clause basis.Post by Bart DemoenPost by Jan WielemakerActually, it is doubtful whether you want to spent precious loadingtime to the few things def(d,4). The tutorial I used to get started was: http://www.dbnet.ece.ntua.gr/~adamo/csbooksonline/prolog-notes.pdfIt teaches you the basics. This is because Prolog was used very much for things like theorem proving, expert systems, and so on, and the arrows (<= , =>) were far too

use(e,3). cut off the first three lines and try again -- Kind regards Uwe Lesta _______________________________________________ SWI-Prolog mailing list [hidden email] https://mailbox.iai.uni-bonn.de/mailman/listinfo.cgi/swi-prolog Paulo Moura Reply | Threaded Open this post in threaded Same error message: 6 ?- consult(q). I'm trying to say that given the family ID, if the size of that family is one, and the income is less than 11170, then that family is in poverty.

optimise/0 can be build on top of that.The possibility to deliver an optimized application end product mightalso influence the above choices ?Post by Jan Wielemaker2 ?- vm_list(min3).Relatively recent apparently - not def(p,1). Where's the 0xBEEF? It fits with other source-to-source translation (when optimizing)provided by library(apply_macros).

Can you recomend some resources which explores SWI-Prolog syntax or provides some simple but working examples... Now it's time to know what is a measles. Try another book. true .

Check the comp.lang.prolog FAQ: http://www.logic.at/prolog/faq/More links to learning resources here: http://logtalk.org/links.htmlHappy learning :-) Cheers, Paulo ----------------------------------------------------------------- Paulo Jorge Lopes de Moura, PhD Assistant The first bit is the `supervisor' and deals withdynamic indexing. Mon, 26 Sep 2005 21:40:52 GMT Bart Demoe#5 / 7 operator expected problem Quote: > > > rev([],[]). > > > rev([A|X],Z) :- rev(X,Y), append(Y,[A],Z). [...] Quote:> Thanks! > I Not the answer you're looking for?

of Computer Science, University of Beira Interior > 6201-001 Covilhã, Portugal > > Office 3.18 Ext. 3276 > Phone: +351 275319891 Fax: +351 275319899 > Email: > > Home The dash in your example is the problem (it seems alittle longer than the default one).Post by Vladimir MihailenkoCan you recomend some resources which explores SWI-Prolog syntax or providessome simple but