Other contributors have said "Is it true that the programming language Prolog has to be not so relevant if we consider thst it is not so popular?" is the same question as "Why Prolog thas not become a popular programming language even if it is so relevant?" If you believe that these are not asking the same thing and should be answered differently, click here

Why Prolog thas not become a popular programming language even if it is so relevant?

Answer:

yaAnswer

It is quite readabble that the proper answer of the question can be foun here
http://bg.wikibooks.org/wiki/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD:%D0%90%D0%B4%D0%BC%D0%B8%D0%BD%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%B8/Ozahariev

but the readeness of both bulgarian and English is a might.
Note: There are comments associated with this question. See the discussion page to add to the conversation.
First answer by ID3589335683. Last edit by ID3589335683. Question popularity: 18 [recommend question].