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I do not know a universal rule but one.

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Subject:I do not know a universal rule but one.
Summary:universal rule
Messages:1
Author:john alex
Date:2022-09-30 09:39:57
 

  1. I do not know a universal rule but one.   Reply   Report abuse  
Picture of john alex john alex - 2022-09-30 09:39:57
I do not know a universal rule but one. If the alphabet’s element number is 1 then all context free grammars are automatically regular.
In other cases, however, I would try experimenting. I’d look at the grammar, I’d figure out the language, I’d try to substitute the grammar by another… &so. Somehow I’d guess if the stack had a limit on depth. <a href='https://wordmaker.info/how-many/grammar.html'>grammar</a>