Re: Going backwards from a Language(or set of expressions) to a Grammar

"Derek M. Jones" <derek@_NOSPAM_knosof.co.uk>
Mon, 17 Apr 2017 15:29:17 +0100

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Going backwards from a Language(or set of expressions) to a Grammar seimarao@gmail.com (Seima Rao) (2017-04-16)
Re: Going backwards from a Language(or set of expressions) to a Gramma seimarao@gmail.com (Seima Rao) (2017-04-17)
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Re: Going backwards from a Language(or set of expressions) to a Gramma alain@universite-de-strasbourg.fr (Alain Ketterlin) (2017-04-17)
Re: Going backwards from a Language(or set of expressions) to a Gramma derek@_NOSPAM_knosof.co.uk (Derek M. Jones) (2017-04-17)
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From: "Derek M. Jones" <derek@_NOSPAM_knosof.co.uk>
Newsgroups: comp.compilers
Date: Mon, 17 Apr 2017 15:29:17 +0100
Organization: virginmedia.com
References: 17-04-014
Injection-Info: miucha.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="19294"; mail-complaints-to="abuse@iecc.com"
Keywords: parse, syntax
Posted-Date: 17 Apr 2017 10:30:37 EDT

Seima Rao,


> Is it possible generally to arrive at a grammar from
> a language or set of expressions ?
>
> How so?


A language is a grammar+other stuff.


You can come up with umpteen grammars for a set of
expressions. Your problem is Poverty of the stimulus:
https://en.wikipedia.org/wiki/Poverty_of_the_stimulus


What do you want to do with the grammars?



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