Received: from mail-ig0-f186.google.com ([209.85.213.186]:32993) by stodi.digitalkingdom.org with esmtps (TLSv1.2:AES128-GCM-SHA256:128) (Exim 4.85) (envelope-from ) id 1ZD0n8-0006h9-Hk; Wed, 08 Jul 2015 18:38:27 -0700 Received: by igts8 with SMTP id s8sf49141374igt.0; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=20120806; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :content-type:x-original-sender:x-original-authentication-results :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:sender:list-subscribe :list-unsubscribe; bh=sQ1ZqTbK2BQ+syPdIaPzR9fIj6n6KVsyzpEFOnuNT5g=; b=oWFRQNDmVJ2KYDTGfa3ihGGWOxpnSdVLW9dGcO2o/DnDDUIwQS2govlQiU6cend/u1 537XYly2G2+UEtM9MyBM12Bbt3WdiypC4wzQmkA2jr7nXuP0OGrTIZ+40af6oxQVrPWn hB6SBRKSO9by08Vx0B6MH48rNhMxZQhTqfvoQqoPkujErnIcr7aXq+gOvlvo2uHVo3JU XfNEq/c5BLVh2SblLPXZk1ZlCaHvluqalfagMDL5sjc6PdU8ADJkjJO4Hnes858m2D3o 1U7LJpWT6OXK6OGNaSNMxX5Sl1Wgng0z4Muyc9kzUhOpHAclOG4ISufT2jdM5gPAoH8G gv8g== X-Received: by 10.50.66.141 with SMTP id f13mr823693igt.4.1436405896480; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) X-BeenThere: bpfk-list@googlegroups.com Received: by 10.107.166.149 with SMTP id p143ls2720538ioe.76.gmail; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) X-Received: by 10.50.134.202 with SMTP id pm10mr81375865igb.2.1436405896257; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) Received: from mail-qg0-x22a.google.com (mail-qg0-x22a.google.com. [2607:f8b0:400d:c04::22a]) by gmr-mx.google.com with ESMTPS id x125si433415ywb.0.2015.07.08.18.38.16 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Jul 2015 18:38:16 -0700 (PDT) Received-SPF: pass (google.com: domain of durka42@gmail.com designates 2607:f8b0:400d:c04::22a as permitted sender) client-ip=2607:f8b0:400d:c04::22a; Received: by mail-qg0-x22a.google.com with SMTP id f3so59224490qge.0 for ; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) X-Received: by 10.140.31.161 with SMTP id f30mr20870013qgf.23.1436405896128; Wed, 08 Jul 2015 18:38:16 -0700 (PDT) Received: from seas1321.wireless-pennnet.upenn.edu ([2607:f470:6:400d:4106:afc7:99ad:ff11]) by smtp.gmail.com with ESMTPSA id a75sm2661283qge.3.2015.07.08.18.38.14 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 08 Jul 2015 18:38:14 -0700 (PDT) Date: Wed, 8 Jul 2015 21:38:13 -0400 From: Alex Burka To: bpfk-list@googlegroups.com Message-ID: In-Reply-To: References: <2619578.SDvdWZmG6y@caracal> Subject: Re: [bpfk] Re: Alternatives to {bo} in {i ... bo}? X-Mailer: Airmail Beta (309) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="559dd086_43a6cfc_64d6" X-Original-Sender: durka42@gmail.com X-Original-Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of durka42@gmail.com designates 2607:f8b0:400d:c04::22a as permitted sender) smtp.mail=durka42@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=gmail.com Reply-To: bpfk-list@googlegroups.com Precedence: list Mailing-list: list bpfk-list@googlegroups.com; contact bpfk-list+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: bpfk-list@googlegroups.com X-Google-Group-Id: 972099695765 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -1.9 (-) X-Spam_score: -1.9 X-Spam_score_int: -18 X-Spam_bar: - Content-Length: 8702 --559dd086_43a6cfc_64d6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline The way I understand it, that's exactly the point. Left grouping is the def= ault nearly everywhere, and {bo} reverses it when necessary. On July 8, 2015 at 3:22:33 AM, guskant (gusni.kantu@gmail.com) wrote: Le mercredi 8 juillet 2015 06:22:00 UTC, la durka a =C3=A9crit=C2=A0: iku'i e'uru'e=C2=A0 I would rather simply add "jo'au zantufa xi pire", because this parser supp= orts left-association of BO (though {ku} or {cu} become necessary after {la= CMEVLA} because it supports also cmevla as tanru unit): http://guskant.github.io/gerna_cipra/zantufa-0.2.html ([CU {broda VAU}] [i ca bo {CU }] [i {te zu'e} bo {CU }]) =C2=A0 -- Any reason you think it should change from right- to left-grouping? I mean,= we just have to pick one and stick with it. Also, in your parse it looks l= ike there's no grouping at all... mu'o mi'e durkavore First, left-grouping is the same as most of other grouping rules of Lojban. For example, a string of tanru units is read as left-grouping: ((broda brode) brodi) ((broda ja brode) ja brodi) I rather don't understand why only BO and CO should support right-grouping = among many other connectives. Secondly, just the same problem as la piier raised. When I first wrote a lo= gical proof on "individuals" in Lojban, I should first mention "these BO-s = are regarded as left-grouping": broda iseni'ibo brode iseni'ibo brodi .... Right grouping of BO is very annoying for me. We see no grouping at all on the parsing tree. It's the same thing for JA-c= onnection or simple string of tanru units: http://mw.lojban.org/extensions/ilmentufa/camxes.html ([broda {ja brode} {ja brodi}] VAU)=C2=A0 I guess it is because of PEG's characteristic (na'e birti). I heard about l= eft-recursion problem of PEG. PEG first parses a string like broda brode brodi brodo =C2=A0as=C2=A0 (broda (brode (brodi brodo))). We should therefore modify the grouping after parsing. -- You received this message because you are subscribed to the Google Groups "= BPFK" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to bpfk-list+unsubscribe@googlegroups.com. To post to this group, send email to bpfk-list@googlegroups.com. Visit this group at http://groups.google.com/group/bpfk-list. For more options, visit https://groups.google.com/d/optout. --=20 You received this message because you are subscribed to the Google Groups "= BPFK" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to bpfk-list+unsubscribe@googlegroups.com. To post to this group, send email to bpfk-list@googlegroups.com. Visit this group at http://groups.google.com/group/bpfk-list. For more options, visit https://groups.google.com/d/optout. --559dd086_43a6cfc_64d6 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline =
The way I understand it, that's exactly the point.= Left grouping is the default nearly everywhere, and {bo} reverses it when = necessary.


On July= 8, 2015 at 3:22:33 AM, guskant (g= usni.kantu@gmail.com) wrote:



Le mercredi 8 juillet 2015 06:22:00 UTC, la durka a =C3=A9crit :

iku'i e'uru'e 
I would rather simply add "jo'au zantufa xi pire", because this parser supports left-association of BO (though {ku} or {cu} become necessary after {la CMEVLA} because it supports also cmevla as tanru unit):


([CU {broda VAU}] [i ca bo {CU <brode VAU>}] [i {te zu'e} bo {CU <brodo VAU>}])
 
--


Any reason you think it should change from right- to left-grouping? I mean, we just have to pick one and stick with it. Also, in your parse it looks like there's no grouping at all...


mu'o mi'e durkavore



First, left-grouping is the same as most of other grouping rules of Lojban.
For example, a string of tanru units is read as left-grouping:
((broda brode) brodi)
((broda ja brode) ja brodi)
I rather don't understand why only BO and CO should support right-grouping among many other connectives.

Secondly, just the same problem as la piier raised. When I first wrote a logical proof on "individuals" in Lojban, I should first mention "these BO-s are regarded as left-grouping":
broda
iseni'ibo
brode
iseni'ibo
brodi
....
Right grouping of BO is very annoying for me.

We see no grouping at all on the parsing tree. It's the same thing for JA-connection or simple string of tanru units:
http://mw.lojban.org/extensions/ilmentufa/camxes.html
([broda {ja brode} {ja brodi}] VAU) 

I guess it is because of PEG's characteristic (na'e birti). I heard about left-recursion problem of PEG. PEG first parses a string like

broda brode brodi brodo
 as 
(broda (brode (brodi brodo))).

We should therefore modify the grouping after parsing.

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