What is "this"?
On Fri, Aug 18, 2017 at 8:52 PM, Raul Miller <rauldmil...@gmail.com> wrote:
> Won't this destroy adverb trains?
>
> Thanks,
>
> --
> Raul
>
>
> On Fri, Aug 18, 2017 at 6:04 PM, Jose Mario Quintana
> <jose.mario.quint...@gmail.com> wrote:
> > Inline comments follow...
> >
> >> Hi all !
> >>
> >> I tried out the functionality of Jx and got some problems.
> >> I expected these two expressions to be equivalent, but got syntax error
> >> on the second.
> >>
> >> +(".. '/') 1 2 3
> >> 6
> >> +(".. [: / ]:) 1 2 3
> >
> > One issue is that ]: is an adverb and adverbs can only act on nouns and
> > verbs. Adverbs and conjunctions must be provided as atomic
> representations
> > or equivalent. The current documentation is incomplete and will be
> fixed;
> > thank you for noticing this problem.
> >
> > To wit, the adverb can be boxed using ]: as follows,
> >
> > an=. <@:((":0) ,&< ]) NB. Atomizing a noun (or verb, adverb or
> > conjunction)
> >
> > [: (/an) ]: NB. (/an) is the Jx train (a v)
> > ┌─┐
> > │/│
> > └─┘
> >
> > or,
> >
> > [: (/("..inv)) ]:
> > ┌─┐
> > │/│
> > └─┘
> >
> > ([: (/("..inv)) ]:) -: (([: (/an) ]:))
> > 1
> >
> > A single / can be boxed directly as well,
> >
> > /<
> > ┌─┐
> > │/│
> > └─┘
> >
> > (/<) -: ([: (/("..inv)) ]:)
> > 1
> >
> > Another issue is that evoke (`:6), and consequently ".. , does not act
> on
> > boxed adverbs,
> >
> > ".. (/<)
> > |domain error
> > | "..(/<)
> > (/<) (`:6)
> > |domain error
> > | (/<)(`:6)
> >
> > So, one has to write, for instance,
> >
> > +(".. (/an)) 1 2 3
> > 6
> >
> > Jx version 1.1, not yet released, allows adverbs and conjunctions to act
> on
> > boxed verbs, adverbs and conjunctions (see [0] for the motivation),
> >
> > JVERSION
> > Installer: j602a_win.exe
> > Engine: j806/j64/windows/beta/BEST/Jx/2017-08-15T16:31:59
> > Library: 6.02.023
> >
> > +(".. (/<)) 1 2 3
> > 6
> >
> >
> >> |syntax error
> >> | +("..[:/]:)1 2 3
> >>
> >> I had problems with Knot until I recognized that it is `. and not `: as
> >> the description says.
> >>
> >> "|`:|Knot (Gerund) – is similar to the J primitive|`|(tie) except that
> a
> >> non-boxed noun argument is first replaced by its atomic
> representation."
> >>
> >> +`.1
> >>
> >> ┌─┬─────┐
> >> │+│┌─┬─┐│
> >> │ ││0│1││
> >> │ │└─┴─┘│
> >> └─┴─────┘
> >>
> >
> >
> > Right, the documentation will be fixed; thank you for the feedback.
> >
> >
> >> I had problems with Cloak. I managed to use it but didn't understand
> >> what it is for.
> >>
> >> AtDot=: 2 : (':';'[ v^:_1 u at v')
> >>
> >> 1 0 1 -AtDot# 4 5 6
> >>
> >> _4 0 _6
> >>
> >> 1 0 1 -(2 ?: 5!:1<'AtDot')# 4 5 6
> >>
> >> _4 0 _6
> >>
> >>
> >> The example gives syntax error. Missing parenthesis.
> >>
> >> (;:'ver conj adv')=. _3 _2 _1<@?:"0) 0
> >>
> >> |syntax error
> >>
> >> | (;:'ver conj adv')=: _3 _2 _1<@?:"0)0
> >>
> >> (;:'ver conj adv')=. _3 _2 _1<@?:("0) 0
> >
> > Right, I used this properly in the Appendix of my post [1] but somehow a
> > parenthesis got missing in the documentation; it will be fixed.
> >
> >>
> >> ver
> >>
> >> (_3?:0)
> >>
> >> conj
> >>
> >> (_2?:0)
> >>
> >> adv
> >>
> >> (_1?:0)
> >>
> >>
> >> I guess you can use Jx to define adverbs and conjunctions in tacit
> code,
> >> but I didn't understand how.
> >>
> >
> > The verb ver verbs adverbs (as monadic verbs) and conjunctions (as
> dyadic
> > verbs), conj and adv are the reverse operations (i.e., adv adverbs a
> > monadic verb and conj conjuncts a dyadic verb) so to speak. This might
> > help to clarify the concepts a little,
> >
> > u (/ver)adv NB. (/ver) is an (a v) Jx train
> > u/
> >
> > u (ver(<'/'))adv NB. ver acting on an atomic representation
> > u/
> >
> > u ((ver adv)@:)conj v NB. ((ver adv)@:) is an (a c) Jx train
> > u@:v
> >
> > u (ver(<'@:'))conj v NB. ver acting on an atomic representation
> > u@:v
> >
> > You got it right, adv and conj allows one to write any arbitrary
> tacit
> > adverbs and conjunctions by reducing those to writing tacit verbs
> (i.e., u
> > adv and v conj where u is monadic verb and v is dyadic verb).
> >
> > What makes it easy is the fact that primitive nonnumerical verbs are
> > higher-order functions (i.e., able to act on nouns verbs adverbs and
> > conjunctions, or produce nouns verbs adverbs and conjunctions, or both
> but
> > the official interpreters makes it almost impossible to use them as such;
> > Jx makes it easy).
> >
> > For example,
> >
> > toj ": adv
> > toj
> > $ (toj ": adv)
> > 3
> > fix=. f.ver
> >
> > toJ ":@:fix adv
> > ((10{a.) I.@(e.&(13{a.))@]} ])@:(#~ -.@((13 10{a.)&E.@,))
> > $(toJ ":@:fix adv)
> > 57
> > u (,&:<)conj v NB. Boxing u and v
> > ┌─┬─┐
> > │u│v│
> > └─┴─┘
> > $(u (,&:<)conj v)
> > 2
> >
> > dex=. ]conj
> >
> > type'dex'
> > ┌───────────┐
> > │conjunction│
> > └───────────┘
> >
> >
> > + dex -
> > -
> >
> > lev=. [conj
> >
> > + lev -
> > +
> >
> > You might like to check also the Appendix I mentioned for more examples.
> >
> >>
> >> Cheers,
> >>
> >> Erling
> >
> > I really appreciate your interest and patience.
> >
> >
> > References
> >
> > [0] [Jprogramming] Boxed verbs as alternate gerunds Jose Mario Quintana
> > http://www.jsoftware.com/pipermail/programming/2017-
> August/048145.html
> >
> > [1] [Jprogramming] Jx version 1.0 release Jose Mario Quintana
> > http://www.jsoftware.com/pipermail/programming/2017-
> August/048143.html
> >
> >
> >
> > On Fri, Aug 18, 2017 at 9:08 AM, Erling Hellenäs <
> erl...@erlinghellenas.se>
> > wrote:
> >
> >> Hi all !
> >>
> >> I tried out the functionality of Jx and got some problems.
> >> I expected these two expressions to be equivalent, but got syntax error
> on
> >> the second.
> >>
> >> +(".. '/') 1 2 3
> >> 6
> >> +(".. [: / ]:) 1 2 3
> >> |syntax error
> >> | +("..[:/]:)1 2 3
> >>
> >> I had problems with Knot until I recognized that it is `. and not `: as
> >> the description says.
> >>
> >> "|`:|Knot (Gerund) – is similar to the J primitive|`|(tie) except that a
> >> non-boxed noun argument is first replaced by its atomic representation."
> >>
> >> +`.1
> >>
> >> ┌─┬─────┐
> >> │+│┌─┬─┐│
> >> │ ││0│1││
> >> │ │└─┴─┘│
> >> └─┴─────┘
> >>
> >> I had problems with Cloak. I managed to use it but didn't understand
> what
> >> it is for.
> >>
> >> AtDot=: 2 : (':';'[ v^:_1 u@v')
> >>
> >> 1 0 1 -AtDot# 4 5 6
> >>
> >> _4 0 _6
> >>
> >> 1 0 1 -(2 ?: 5!:1<'AtDot')# 4 5 6
> >>
> >> _4 0 _6
> >>
> >>
> >> The example gives syntax error. Missing parenthesis.
> >>
> >> (;:'ver conj adv')=. _3 _2 _1<@?:"0) 0
> >>
> >> |syntax error
> >>
> >> | (;:'ver conj adv')=: _3 _2 _1<@?:"0)0
> >>
> >> (;:'ver conj adv')=. _3 _2 _1<@?:("0) 0
> >>
> >> ver
> >>
> >> (_3?:0)
> >>
> >> conj
> >>
> >> (_2?:0)
> >>
> >> adv
> >>
> >> (_1?:0)
> >>
> >>
> >> I guess you can use Jx to define adverbs and conjunctions in tacit code,
> >> but I didn't understand how.
> >>
> >>
> >> Cheers,
> >>
> >> Erling
> >>
> >>
> >>
> >> On 2017-08-01 22:55, Jose Mario Quintana wrote:
> >>
> >>> A brief description of the Jx v1.0 extensions, together with links to a
> >>> Windows 64 bit dll, a Unix 64 bit so binaries and the patch
> corresponding
> >>> to the J806 source can be found at,
> >>> http://www.2bestsystems.com/foundation/j/jx1
> >>>
> >>> Summary
> >>>
> >>> - Spelling
> >>> - Names with unicode characters
> >>> - Primitives
> >>> Added =.. =:: $:: [. ]. ]: ".. ":: `. ?: i.. O.
> >>> Extended ~ $.
> >>> - Foreign
> >>> Added 104!:5 Unnamed Execution
> >>>
> >>> - Trains
> >>> a v Added (different from Jx v0)
> >>> a a Extended (different from Jx v0)
> >>> c a Resurrected
> >>> a c a Resurrected
> >>>
> >>> The Jx v0 page,
> >>> http://www.2bestsystems.com/foundation/j/jx0
> >>> will be removed in the near future
> >>>
> >>> Time permitting, there will be soon a script with assertions for those
> who
> >>> want to verify binaries targeted for other platforms and I will try to
> >>> illustrate the facilities in action with some scripts.
> >>>
> >>>
> >>>
> >>>
> >>> On Sat, Mar 8, 2014 at 11:40 PM, Jose Mario Quintana <
> >>> jose.mario.quint...@gmail.com> wrote:
> >>>
> >>> The patches, a Windows 32-bit DLL, a cheatsheet, 32 and 64 bit Unix
> >>>> libraries are found at:
> >>>>
> >>>>
> >>>> http://www.2bestsystems.com/foundation/j/
> >>>>
> >>>>
> >>>> For more details and demonstration code, see the article in the
> Journal
> >>>> of
> >>>> J: http://journalofj.com/index.php/vol-2-no-2-october-2013 (only the
> >>>> definition of the new conjunction knot (`.) has been slightly modified
> >>>> for
> >>>> the release).
> >>>>
> >>>>
> >>>>
> >>>> ------------------------------------------------------------
> ----------
> >>> For information about J forums see http://www.jsoftware.com/forums.htm
> >>>
> >>
> >> ----------------------------------------------------------------------
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> >>
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