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01:47:35 <oerjan> <b_jonas> it also doesn't tell whether it's Turing-complete – it only says that from the BCW basis you can get any lambda term of a certain form, namely one with applications only on variables inside the lambdas, and with all bound variables used at least once <-- i think that must be BCWI. i got nerd sniped into thinking about what it's with _just_ BCW.
01:47:58 <b_jonas> oerjan: aren't those the same?
01:48:06 <b_jonas> like can't you get I from BCW?
01:49:15 <oerjan> you can, i think, get a fixpoint-based almost-version that shuffles itself away: I' a b = a (I' b)
01:49:40 <b_jonas> yeah, it's BCWI or equivalently BCSI
01:49:59 <oerjan> without that, the best you can get is int-e's BCC x y z = x y z
01:50:37 <oerjan> and that's almost the general rule i found: you get any closed lambda expression in which any innermost expression contains at least two applications.
01:51:08 <b_jonas> that is reasonably close, I guess
01:51:18 <oerjan> you will note that all of B, C and W have that property, and you cannot get rid of it
01:59:01 <oerjan> indeed. you have perfect S: from int-e's S a b = W (B (C a) b) you can eliminate further to B W (B (C a)) b = B (B W) (B B C) a b
02:01:31 <oerjan> um *any closed lambda expression using all parameter variables at least once and ...
02:04:23 <oerjan> also, i suspect BCWI can implement underload's :()^~ , giving a way to do TC-ness without junk.
02:04:50 <oerjan> (maybe * and a as well now i think about it)
02:05:14 <oerjan> (with a pair-based stack)
02:07:18 <oerjan> or one might implement some K-elimination similar to my underload method directly.
02:09:49 <oerjan> perhaps one could use B C C = \f x y -> f x y and C = \f x y -> f y x as booleans to distinguish the self-deletion and running modes
02:10:20 <oerjan> and maybe manage with just B C W
02:12:09 <oerjan> although, what should the API for that be
02:13:05 <oerjan> ...someone has to have done something like this for LC already
02:48:18 <esolangs> [[Truth-machine]] M https://esolangs.org/w/index.php?diff=89386&oldid=89234 * DigitalDetective47 * (+2) /* Left-Right March */ Fixed header level
03:22:42 <zzo38> Although there are some different GUI widget set libraries some of which are portable, is there the interface which is independent from the implementation? (I could try to make up such a thing if there isn't one or if the existing ones are not good enough, I suppose.)
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07:26:08 <zzo38> (I mean for example a common .h file so that the same API function calls are used but you can substitute a different implementation and it can work)
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09:03:20 <int-e> oerjan: fwiw, the BCC was tromp's not mine
09:10:38 <HackEso> The BBC is the BreadBox Corporation. Its inventions include, without limitation, Muppets, tiny elfs, villages in Norway, and inventors of all things. Taneb invented it.
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11:45:48 <tromp> bcc.nl is a Dutch electronics & home appliance chain
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13:54:51 <HackEso> The BBC is the BreadBox Corporation. Its inventions include, without limitation, Muppets, tiny elfs, villages in Norway, and inventors of all things. Taneb invented it.
14:00:21 <fizzie> `slashlearn bcc//The "Bcc:" field (where the "Bcc" means "Blind Carbon Copy") contains addresses of recipients of the message whose addresses are not to be revealed to other recipients of the message.
14:00:24 <HackEso> Learned 'bcc': The "Bcc:" field (where the "Bcc" means "Blind Carbon Copy") contains addresses of recipients of the message whose addresses are not to be revealed to other recipients of the message.
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16:37:10 <Melvar> Amusing thing that happened a few days ago: Someone asked if a less readable way to write a simple conditional function in Haskell was more efficient, and someone responded that the two ways might well compile to the same thing. The latter person then went to actually check the Core for those two functions, and found that GHC replaced the second function with a reference to the first.
16:37:24 <Melvar> So not only did they compile to the same thing, but the compiler noticed and deduplicated them.
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17:08:47 <esolangs> [[User:Otesunki]] N https://esolangs.org/w/index.php?oldid=89387 * Otesunki * (+83) initial commit
17:09:03 <esolangs> [[User:Otesunki]] M https://esolangs.org/w/index.php?diff=89388&oldid=89387 * Otesunki * (+3) im dumb
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17:33:52 <esolangs> [[Timers]] M https://esolangs.org/w/index.php?diff=89389&oldid=89377 * Rphii * (+30) fix command list
17:39:40 <esolangs> [[Why Does This Towel Smell Different Each Time I Use It]] https://esolangs.org/w/index.php?diff=89390&oldid=88723 * LarhoCherqi * (-86) Changed the interpreter link into a compiler link
18:19:01 <HackEso> A is one of seven villages in Norway. The BBC invented them by not understanding things on top of letters.
18:31:20 <HackEso> Å _is_ a village in Norway, unless you're the BBC and don't understand things on top of letters.
18:32:55 <Melvar> I see no normalization is being done.
18:33:29 <Melvar> (Second one is A + combining ring)
19:08:18 <esolangs> [[BrainSoup]] https://esolangs.org/w/index.php?diff=89391&oldid=89350 * PixelatedStarfish * (+155)
19:09:53 <esolangs> [[BrainSoup]] https://esolangs.org/w/index.php?diff=89392&oldid=89391 * PixelatedStarfish * (+10)
19:10:21 <esolangs> [[BrainSoup]] https://esolangs.org/w/index.php?diff=89393&oldid=89392 * PixelatedStarfish * (-1)
19:19:09 <b_jonas> Melvar: some normalization is done on wisdom names, just not that kind of normalization
19:19:27 <HackEso> Å _is_ a village in Norway, unless you're the BBC and don't understand things on top of letters.
19:19:37 <HackEso> Ä is a Swedish geographical feature.
19:21:21 <b_jonas> ``` for x in à á â æ ð ñ õ ö ø ü þ ÿ; do \? "$x"; done
19:21:32 <HackEso> à? ¯\(°_o)/¯ \ á? ¯\(°_o)/¯ \ â? ¯\(°_o)/¯ \ æ? ¯\(°_o)/¯ \ ð? ¯\(°_o)/¯ \ ñ? ¯\(°_o)/¯ \ õ? ¯\(°_o)/¯ \ ö? ¯\(°_o)/¯ \ ø is not going anywhere. \ ü is the ridiculously happy second derivative of the letter ‘u’ with respect to time. \ þ? ¯\(°_o)/¯ \ ÿ? ¯\(°_o)/¯
19:50:59 <HackEso> #!/bin/bash \ print_args_or_input "$@" | tr A-Z a-z | LANG=en_NZ.UTF-8 sed 'y/ØÅÆŒÞÐÄÖÜÁÉÍÓÚÝŁ/øåæœþðäöüáéíóúýł/'
19:51:04 <fizzie> That's a very particular lowercasing.
19:57:41 <b_jonas> interesting. why doesn't it do the A-Za-z part in the sed transliteration too?
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20:07:52 <b_jonas> ``` cat /hackenv/bin/learn # does that use the same casefolding rule?
20:07:53 <HackEso> #!/bin/bash \ topic=$(echo "$1" | lowercase | sed 's/^\(an\?\|the\) //;s/s\?[:;,.!?]\? .*//') \ [ -e "$HACKENV/wisdom/$topic" ] && verb="Relearned" || verb="Learned" \ echo "$1" >"$(echo-p "$HACKENV/wisdom/$topic")" \ echo "$verb '$topic': $1"
20:08:02 <b_jonas> ``` cat /hackenv/bin/lowercase
20:08:04 <HackEso> #!/bin/bash \ print_args_or_input "$@" | tr A-Z a-z | LANG=en_NZ.UTF-8 sed 'y/ØÅÆŒÞÐÄÖÜÁÉÍÓÚÝŁ/øåæœþðäöüáéíóúýł/'
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22:06:14 <int-e> b_jonas: you'd have to spell out all 26 letters
22:08:52 <b_jonas> whoa... the sed y statement doesn't do hyphenated ranges?
22:25:33 <Riviera> nope only literal characters
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