2025/01/24

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2025-01-24 15:33:27 +0100 <dminuoso> s/too is an /too has an/
2025-01-24 15:32:12 +0100 <dminuoso> If an existential type is any quantified type where an `∃a. ...` could appear in, then `id` too is an existential type because we could encode it in terms of an existential quantifier.
2025-01-24 15:31:20 +0100 <dminuoso> Not quite sure whether we can give a clean and accurate definition of what "an existential type" is exactly.
2025-01-24 15:30:55 +0100 <dminuoso> Except that you encode it via the above isomorphism.
2025-01-24 15:30:47 +0100 <dminuoso> We do not have existential quantification.
2025-01-24 15:30:43 +0100 <dminuoso> kuribas: Let me rephrase:
2025-01-24 15:30:33 +0100 <kuribas> We do have existential types.
2025-01-24 15:27:49 +0100 <dminuoso> Yes we do not have `∃x.` .. but then again we do not really have existential codes (except for those encoded via universal quantification)
2025-01-24 15:27:38 +0100 <merijn> Actually ∀ totally is valid haskell with -XUnicodeSyntax :p
2025-01-24 15:27:20 +0100 <dminuoso> kuribas: Half of it is.
2025-01-24 15:26:56 +0100 <kuribas> dminuoso: that's not valid haskell syntax
2025-01-24 15:24:10 +0100Googulator(~Googulato@host-88-132-146-182.prtelecom.hu) (Ping timeout: 240 seconds)
2025-01-24 15:22:09 +0100 <dminuoso> ncf: Oh, I indeed mixed this one up.
2025-01-24 15:19:38 +0100simplystuart(~simplystu@c-75-75-152-164.hsd1.pa.comcast.net) (Ping timeout: 244 seconds)
2025-01-24 15:15:12 +0100simplystuart(~simplystu@c-75-75-152-164.hsd1.pa.comcast.net)
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2025-01-24 15:11:46 +0100Arsen_Arsen
2025-01-24 15:11:41 +0100weary-traveler(~user@user/user363627) user363627
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2025-01-24 14:56:29 +0100simplystuart(~simplystu@c-75-75-152-164.hsd1.pa.comcast.net) (Ping timeout: 252 seconds)
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2025-01-24 14:40:19 +0100simplystuart(~simplystu@c-75-75-152-164.hsd1.pa.comcast.net)
2025-01-24 14:39:19 +0100Smiles(uid551636@id-551636.lymington.irccloud.com) Smiles
2025-01-24 14:38:30 +0100Everything(~Everythin@195.138.86.118) Everything
2025-01-24 14:28:41 +0100weary-traveler(~user@user/user363627) (Remote host closed the connection)
2025-01-24 14:22:24 +0100alfiee(~alfiee@user/alfiee) (Ping timeout: 252 seconds)
2025-01-24 14:20:13 +0100vanishingideal(~vanishing@user/vanishingideal) vanishingideal
2025-01-24 14:20:08 +0100 <ncf> yes
2025-01-24 14:19:11 +0100 <kuribas> well (forall a. Num a => a)
2025-01-24 14:18:51 +0100 <ncf> no
2025-01-24 14:18:25 +0100 <kuribas> ncf: it is with impredicative types enabled?
2025-01-24 14:18:12 +0100alfiee(~alfiee@user/alfiee) alfiee
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2025-01-24 14:01:07 +0100visilii(~visilii@46.61.242.99)
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2025-01-24 13:52:49 +0100euleritian(~euleritia@ip4d17fae8.dynamic.kabel-deutschland.de)
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2025-01-24 13:46:28 +0100jespada(~jespada@2800:a4:2288:4600:a43e:beb4:c592:b90b) jespada
2025-01-24 13:42:35 +0100Googulator(~Googulato@host-88-132-146-182.prtelecom.hu)
2025-01-24 13:33:54 +0100alfiee(~alfiee@user/alfiee) (Ping timeout: 260 seconds)
2025-01-24 13:33:10 +0100dysthesis(~dysthesis@user/dysthesis) (Remote host closed the connection)
2025-01-24 13:30:55 +0100 <ncf> (∃a. ... a ...) -> r is not
2025-01-24 13:30:51 +0100 <ncf> dminuoso: (∃a. ... a ...) is an existential type
2025-01-24 13:29:57 +0100 <ncf> forall a. Num a is not a type
2025-01-24 13:29:28 +0100alfiee(~alfiee@user/alfiee) alfiee