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Fri, 2 Apr 2021 00:21:26 +0000 Date: Fri, 2 Apr 2021 00:21:24 +0000 (UTC) From: "'John E Clifford' via lojban" To: "lojban@googlegroups.com" Message-ID: <797745934.37318.1617322884561@mail.yahoo.com> In-Reply-To: <872ff21c-712d-4a4b-8f4f-351d6ff549dan@googlegroups.com> References: <2d3e019b-5f57-4288-98a8-cc7fe3bf41a2n@googlegroups.com> <16ccd800-23f0-4c9f-9ee7-8c7f4f08223en@googlegroups.com> <5d8ed35bc26ecb99ee250fe535f68e01@staticfree.info> <872ff21c-712d-4a4b-8f4f-351d6ff549dan@googlegroups.com> Subject: Re: [lojban] Re: Lojban is a logical failure MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_37317_243919069.1617322884557" X-Mailer: WebService/1.1.18033 YMailNorrin Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15 Content-Length: 26883 X-Original-Sender: kali9putra@yahoo.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@yahoo.com header.s=s2048 header.b="tErs/qmJ"; spf=pass (google.com: domain of kali9putra@yahoo.com designates 74.6.135.42 as permitted sender) smtp.mailfrom=kali9putra@yahoo.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=yahoo.com X-Original-From: John E Clifford Reply-To: lojban@googlegroups.com Precedence: list Mailing-list: list lojban@googlegroups.com; contact lojban+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: lojban@googlegroups.com X-Google-Group-Id: 1004133512417 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -3.1 (---) X-Spam_score: -3.1 X-Spam_score_int: -30 X-Spam_bar: --- ------=_Part_37317_243919069.1617322884557 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Well, I don=E2=80=99t understand category theory or HOIL, but I do underst= and that trying to make a natural language into a formal one will lead to a= n incomplete and unparsible syste, as converting English into Loglan/Lojban= has done. =C2=A0Start with the parsible system and build the natural on it= and you get not only parsibility but also a guarantee that the parse is co= rrect (something the Ls never had nor even though to have). =C2=A0It is lon= g slogging work, if Loglan/Lojban is worthwhile , then ding it this way is = worthwile. =C2=A0We=E2=80=99ve wasted 66 years already, so don=E2=80=99t wa= ste any more. =C2=A0(The sad thing is that, when the work is done, Loglan/L= ojban will be sooo close, but never able to bridge the gap.) On Thursday, April 1, 2021, 03:03:58 PM CDT, Corbin Simpson wrote: =20 =20 I'm not a math genius. I'm just some person who was told that Lojban is a = logical language and decided to take "logical" seriously as an adjective. For what it's worth, it sounds like you understand what's going on in terms= of social dynamics. To paraphrase your quote, I am rude to la gleki becaus= e la gleki has disrespected me for years *and* because la gleki has refused= to study and work on understanding formal maths. I am happy to talk to any= of the 730+ members who have *not* spent the past few years being backhand= ed and dismissive on IRC. This isn't my first post to the list, either. I strongly recommend reading = the posts from the past year, especially the ones where I went entirely una= nswered [0][1][2]. You also should know that I am following the tradition o= f Clifford in directly critiquing the goals and status of Lojban [3]. [0] https://groups.google.com/g/lojban/c/L8NFx18ZePc [1] https://groups.google.com/g/lojban/c/F-mntSJHz7w [2] https://groups.google.com/g/lojban/c/LwYwRLtsajs [3] https://groups.google.com/g/lojban/c/gkIpyzNXykw On Thursday, April 1, 2021 at 11:15:43 AM UTC-7 xxv wrote: I'm just a lurker here, but you came in really hot and are now being=20 mean to people. Perhaps, IDK, be cool and we can work this whole thing=20 out together? Not everyone is a math genius like you. "People may be rude to you because they are unhappy, someone hurt them=20 recently, you were disrespectful towards them, or because they were=20 never taught the correct way to act around people." [0] [0] https://www.wikihow.com/Be-Cool On 2021-04-01 13:14, Corbin Simpson wrote: > You are literally standing in front of the detailed plan, complete > with links and notes, built from years of conversation about the > nature of Lojban and maths, and you have the audacity to ask "do we > have a plan?" {mi'a} have a plan, and it's the one I just explained. > {mi'o} have a different plan: you need to learn some maths and stop > being so squeamish about working directly with logic itself. >=20 > Start from the definition of a category. Every category gives a logic; > the objects of the category are equivalence classes of propositions, > and the modus-ponens of the logic is witnessed by the category's > arrows. This is the foundation of categorical logic. From there, you > can learn about type theory and topos theory. >=20 > I have spoon-fed you for years on IRC, and in this moment, you are > like Henry the 8th in "A Man for All Seasons" [0], a vain king who > believes himself to be a master of both English and Latin, who stands > in the mud without even thinking about it, and who demonstrates their > lack of understanding every time they refuse to engage in > self-directed study. >=20 > [0] https://en.wikipedia.org/wiki/A_Man_for_All_Seasons >=20 > On Thursday, April 1, 2021 at 10:02:48 AM UTC-7 gleki.is...@gmail.com > wrote: >=20 >> Em quinta-feira, 1 de abril de 2021 =C3=A0s 18:08:28 UTC+3, >> mostawe...@gmail.com escreveu: >>=20 >>> Hey all, >>>=20 >>> Time for the sort-of-annual reminder that Lojban falls far short >>> of its goals. I'll spell out an explicit recipe for achieving >>> those goals. >>>=20 >>> Suppose that Lojban were logical; that is, suppose that it has a >>> logic [0]. A logic has three components: >>>=20 >>> * A collection of letters which form a collection of words >>> * A grammar which indicates whether a sequence of words is a >>> well-formed sentence >>> * A collection of rewrite rules which each match sequences of >>> words within well-formed sentences and replace them with new >>> sequences of words which are still well-formed >>>=20 >>> We have two of three, for what it's worth. The failure is in this >>> third component. If we had all three, then we might call Lojban a >>> *type theory* [1]. In a type theory, we start with a sentence, and >>> then apply rewrite rules to create new sentences. A sequence of >>> rewrite rules, along with a starting sentence, is called a *proof* >>> when the rules can be applied in sequence to the starting sentence >>> in order to produce a new final sentence. >>>=20 >>> The defining feature of type theory is types. A type is a >>> collection of proofs, called *elements* of the type, which might >>> be equivalent to each other. To show equivalence for two objects, >>> we would need a pair of proofs which transform one object into >>> another. We can also do this for two different proofs which lead >>> to the same element in the same type, by transforming one proof >>> into another, and so on. (This leads to [2].) >>>=20 >>> Contrary to popular belief, types are emergent features of type >>> theory; they do not have to be predefined. If we had a collection >>> of rewrite rules for Lojban, then we could discover types within >>> Lojban's existing corpus. A ready stream of examples comes from >>> the fact that sets are like partial (*truncated*) types; they have >>> elements and equivalence, but no proofs. >>>=20 >>> In fact, this would give the native type theory [3][4][5] of >>> Lojban. A native type theory is one which is generated directly >>> from the three components I mentioned earlier, but ignoring any >>> "types" which might be defined internally already. For example, >>> {ctaipe} does not actually refer to Lojban's types. The native >>> type theory could be directly put to use computationally: >>>=20 >>> * To prove formal facts about Lojban utterances [6] >>> * To optimize Lojban utterances, shortening or clarifying them [7] >>> * To synthesize Lojban utterances which describe a >>> partially-specified world [8] >>>=20 >>> * To compile Lojban utterances into executable programs [9] >>>=20 >>> Iterating on CLL has not produced the rewrite rules that we might >>> desire. It sketches several rules and even gives some examples for >>> the "logical" connectives, but it is far from complete. Similarly, >>> la brismu suggests a handful of rewrite rules borrowed from CLL >>> and other logics, but is missing the tense system, BAI, >>> Lojban-in-Lojban grammar, mekso, and much more. >>>=20 >>> Lojban only cosplays as a logical language. We could fix that, if >>> we cared to learn the relevant maths. >>=20 >> Do we have a plan? No deadlines but some plan might be needed. Where >> to start from? Can we solve problems iteratively? >>=20 >>> Peace, >>>=20 >>> ~ C. >>>=20 >>> [0] https://ncatlab.org/nlab/show/logic >>>=20 >>> [1] https://ncatlab.org/nlab/show/type+theory >>> [2] https://ncatlab.org/nlab/show/homotopy%20type%20theory >>> [3] >>>=20 >> https://golem.ph.utexas.edu/category/2021/02/native_type_theory.html >>>=20 >>> [4] >>>=20 >>=20 > https://golem.ph.utexas.edu/category/2021/03/native_type_theory_part_2.ht= ml >>>=20 >>> [5] >>>=20 >>=20 > https://golem.ph.utexas.edu/category/2021/03/native_type_theory_part_3_1.= html >>> [6] http://us.metamath.org/ >>> [7] https://egraphs-good.github.io/ >>> [8] https://github.com/webyrd/Barliman >>> [9] http://docs.idris-lang.org/en/latest/ >=20 > -- > You received this message because you are subscribed to the Google > Groups "lojban" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to lojban+un...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/lojban/16ccd800-23f0-4c9f-9ee7-8c7f4f08= 223en%40googlegroups.com > [1]. >=20 >=20 > Links: > ------ > [1] > https://groups.google.com/d/msgid/lojban/16ccd800-23f0-4c9f-9ee7-8c7f4f08= 223en%40googlegroups.com?utm_medium=3Demail&utm_source=3Dfooter --=20 You received this message because you are subscribed to the Google Groups "= lojban" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to lojban+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/= lojban/872ff21c-712d-4a4b-8f4f-351d6ff549dan%40googlegroups.com. =20 --=20 You received this message because you are subscribed to the Google Groups "= lojban" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to lojban+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/= lojban/797745934.37318.1617322884561%40mail.yahoo.com. ------=_Part_37317_243919069.1617322884557 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Well, I don=E2=80=99t unders= tand category theory or HOIL, but I do understand that trying to make a nat= ural language into a formal one will lead to an incomplete and unparsible s= yste, as converting English into Loglan/Lojban has done.  Start with t= he parsible system and build the natural on it and you get not only parsibi= lity but also a guarantee that the parse is correct (something the Ls never= had nor even though to have).  It is long slogging work, if Loglan/Lo= jban is worthwhile , then ding it this way is worthwile.  We=E2=80=99v= e wasted 66 years already, so don=E2=80=99t waste any more.  (The sad = thing is that, when the work is done, Loglan/Lojban will be sooo close, but= never able to bridge the gap.)

=20
=20
On Thursday, April 1, 2021, 03:03:58 PM CDT, Corbin Sim= pson <mostawesomedude@gmail.com> wrote:


I'm not a math gen= ius. I'm just some person who was told that Lojban is a logical language an= d decided to take "logical" seriously as an adjective.

For what it's worth, it sounds like = you understand what's going on in terms of social dynamics. To paraphrase y= our quote, I am rude to la gleki because la gleki has disrespected me for y= ears *and* because la gleki has refused to study and work on understanding = formal maths. I am happy to talk to any of the 730+ members who have *not* = spent the past few years being backhanded and dismissive on IRC.

This isn't my first post= to the list, either. I strongly recommend reading the posts from the past = year, especially the ones where I went entirely unanswered [0][1][2]. You a= lso should know that I am following the tradition of Clifford in directly c= ritiquing the goals and status of Lojban [3].
=
[0] https://groups.google.com/g/lojban/c/L8NF= x18ZePc
[1] https://groups.google.com/g/lojban= /c/F-mntSJHz7w
[2] https://groups.google.com/g= /lojban/c/LwYwRLtsajs
[3] https://groups.googl= e.com/g/lojban/c/gkIpyzNXykw
On Thursday, April= 1, 2021 at 11:15:43 AM UTC-7 xxv wrote:
I'm just a lurker here, b= ut you came in really hot and are now being=20
mean to people. Perhaps, IDK, be cool and we can work th= is whole thing=20
out together? Not everyone is a math genius like you.

"People may be rude to you because they are unhappy, som= eone hurt them=20
recently, you were disrespectful towards them, or becaus= e they were=20
never taught the correct way to act around people." [0]

[0] https://www.w= ikihow.com/Be-Cool

On 2021-04-01 13:14, Corbin Simpson wrote:
> You are literally standing in front of the detailed= plan, complete
> with links and notes, built from years of conversat= ion about the
> nature of Lojban and maths, and you have the audaci= ty to ask "do we
> have a plan?" {mi'a} have a plan, and it's the one = I just explained.
> {mi'o} have a different plan: you need to learn som= e maths and stop
> being so squeamish about working directly with logi= c itself.
>=20
> Start from the definition of a category. Every cate= gory gives a logic;
> the objects of the category are equivalence classes= of propositions,
> and the modus-ponens of the logic is witnessed by t= he category's
> arrows. This is the foundation of categorical logic= . From there, you
> can learn about type theory and topos theory.
>=20
> I have spoon-fed you for years on IRC, and in this = moment, you are
> like Henry the 8th in "A Man for All Seasons" [0], = a vain king who
> believes himself to be a master of both English and= Latin, who stands
> in the mud without even thinking about it, and who = demonstrates their
> lack of understanding every time they refuse to eng= age in
> self-directed study.
>=20
> [0] https://en.wikipedia.org/wiki/A_Man_for_All_Seasons
>=20
> On Thursday, April 1, 2021 at 10:02:48 AM UTC-7 gleki.is...@gmail.com
> wrote:
>=20
>> Em quinta-feira, 1 de abril de 2021 =C3=A0s 18:= 08:28 UTC+3,
>>
mostawe...@gmail.com escreveu:
>>=20
>>> Hey all,
>>>=20
>>> Time for the sort-of-annual reminder that L= ojban falls far short
>>> of its goals. I'll spell out an explicit re= cipe for achieving
>>> those goals.
>>>=20
>>> Suppose that Lojban were logical; that is, = suppose that it has a
>>> logic [0]. A logic has three components:
>>>=20
>>> * A collection of letters which form a coll= ection of words
>>> * A grammar which indicates whether a seque= nce of words is a
>>> well-formed sentence
>>> * A collection of rewrite rules which each = match sequences of
>>> words within well-formed sentences and repl= ace them with new
>>> sequences of words which are still well-for= med
>>>=20
>>> We have two of three, for what it's worth. = The failure is in this
>>> third component. If we had all three, then = we might call Lojban a
>>> *type theory* [1]. In a type theory, we sta= rt with a sentence, and
>>> then apply rewrite rules to create new sent= ences. A sequence of
>>> rewrite rules, along with a starting senten= ce, is called a *proof*
>>> when the rules can be applied in sequence t= o the starting sentence
>>> in order to produce a new final sentence.
>>>=20
>>> The defining feature of type theory is type= s. A type is a
>>> collection of proofs, called *elements* of = the type, which might
>>> be equivalent to each other. To show equiva= lence for two objects,
>>> we would need a pair of proofs which transf= orm one object into
>>> another. We can also do this for two differ= ent proofs which lead
>>> to the same element in the same type, by tr= ansforming one proof
>>> into another, and so on. (This leads to [2]= .)
>>>=20
>>> Contrary to popular belief, types are emerg= ent features of type
>>> theory; they do not have to be predefined. = If we had a collection
>>> of rewrite rules for Lojban, then we could = discover types within
>>> Lojban's existing corpus. A ready stream of= examples comes from
>>> the fact that sets are like partial (*trunc= ated*) types; they have
>>> elements and equivalence, but no proofs.
>>>=20
>>> In fact, this would give the native type th= eory [3][4][5] of
>>> Lojban. A native type theory is one which i= s generated directly
>>> from the three components I mentioned earli= er, but ignoring any
>>> "types" which might be defined internally a= lready. For example,
>>> {ctaipe} does not actually refer to Lojban'= s types. The native
>>> type theory could be directly put to use co= mputationally:
>>>=20
>>> * To prove formal facts about Lojban uttera= nces [6]
>>> * To optimize Lojban utterances, shortening= or clarifying them [7]
>>> * To synthesize Lojban utterances which des= cribe a
>>> partially-specified world [8]
>>>=20
>>> * To compile Lojban utterances into executa= ble programs [9]
>>>=20
>>> Iterating on CLL has not produced the rewri= te rules that we might
>>> desire. It sketches several rules and even = gives some examples for
>>> the "logical" connectives, but it is far fr= om complete. Similarly,
>>> la brismu suggests a handful of rewrite rul= es borrowed from CLL
>>> and other logics, but is missing the tense = system, BAI,
>>> Lojban-in-Lojban grammar, mekso, and much m= ore.
>>>=20
>>> Lojban only cosplays as a logical language.= We could fix that, if
>>> we cared to learn the relevant maths.
>>=20
>> Do we have a plan? No deadlines but some plan m= ight be needed. Where
>> to start from? Can we solve problems iterativel= y?
>>=20
>>> Peace,
>>>=20
>>> ~ C.
>>>=20
>>> [0] https://ncatlab.org/nlab/show/logic
>>>=20
>>> [1] https://ncatlab.org/nlab/show/type+theory
>>> [2] https://ncatlab.org/nlab/show/homotopy%20type%20theo= ry
>>> [3]
>>>=20
>> https://golem.ph.utexas.edu/category/2021/02= /native_type_theory.html
>>>=20
>>> [4]
>>>=20
>>=20
> https://golem.ph.utexas.edu/category/2021/0= 3/native_type_theory_part_2.html
>>>=20
>>> [5]
>>>=20
>>=20
> https://golem.ph.utexas.edu/category/2021= /03/native_type_theory_part_3_1.html
>>> [6] http://u= s.metamath.org/
>>> [7] = https://egraphs-good.github.io/
>>> [8] https://github.com/webyrd/Barliman
>>> [9] http://docs.idris-lang.org/en/latest/
>=20
> --
> You received this message because you are subscribe= d to the Google
> Groups "lojban" group.
> To unsubscribe from this group and stop receiving e= mails from it, send
> an email to lojban+un...@googlegroups.com.

--
You received this message because you are subscribed to the Google Groups "= lojban" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to lojban+unsubscribe@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/ms= gid/lojban/872ff21c-712d-4a4b-8f4f-351d6ff549dan%40googlegroups.com.

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