←2007-01-25 2007-01-26 2007-01-27→ ↑2007 ↑all
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01:13:40 * CakeProphet finds himself coming closer and close to making.... smalltalk
01:13:49 <CakeProphet> smalltalk with like... some added perks... and no classes.
01:14:26 <ihope> Smalltalk, eh?
01:14:35 <CakeProphet> It's pretty neat.
01:14:51 <CakeProphet> syntax wise... I'm removing all the colons... and just using parenthesis... makes it look eerily lispish.
01:14:58 <ihope> Write a typed first-order logic evaluator for me. kthxbai
01:15:10 <CakeProphet> ...
01:15:27 <ihope> I haven't seen one yet. Should be easy.
01:16:43 <oerjan> Assuming all your types are finite sets.
01:17:07 <oerjan> Otherwise termination is going to be a problem.
01:18:31 <ihope> If it always terminated, it wouldn't be Turing-complete.
01:18:55 <oerjan> The problem is that a forall on an infinite set would _never_ terminate.
01:19:02 <CakeProphet> ....so?
01:19:19 <CakeProphet> a while True loop will never terminate either.
01:19:26 <oerjan> If true. Or an exists, if false.
01:19:56 <ihope> oerjan: that's where proving comes in.
01:20:20 <ihope> It doesn't take many brains to tell whether "all natural numbers are natural numbers" is true or false.
01:20:22 <oerjan> I see. And then we are getting into undecidability.
01:20:28 <ihope> Yep.
01:20:53 <ihope> 'Course, you will have to settle for undecidability in some cases. Nontermination would be fine then, eh?
01:21:46 <oerjan> Writing an evaluator that searches for proofs is "easy". Having it use a reasonable amount of time is hard.
01:25:41 <ihope> Yeah.
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05:27:53 <GregorR> I've been poring it over ... and I don't think that OoU is TC, or even a BSM :(
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06:02:18 <calamari> Oou really?
06:04:51 <GregorR> Yup :(
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11:36:37 <SimonRC> # For cur-- / For cur-- / For curiosity, # # Two pis-- / Two pis-- / Two pistols on my knee, # # For king-- / For king-- / For king and country, # (etc)
11:36:56 <SimonRC> Ok, maybe it works better when sung.
11:48:16 <SimonRC> argh I have a pun stuck in my head
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12:44:43 <SimonRC> GregorR, GregorR_: ooh, twice the fun!
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12:44:59 <SimonRC> Sigh
12:45:00 * SimonRC goes
12:52:29 <oklopol> GregorR_, i proved to myself at school you can't do pretty much anything with it
12:53:49 <oklopol> i tried to find a way to get even a bit use out of the fact you can time ppl and control where they go but i can't find any even vaguely interesting things to get them to do
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16:30:26 <GregorR_> oklopol: Oh, you can store and retrieve data.
16:30:29 <GregorR_> I've written `cat`
16:30:36 <GregorR_> So it's not utterly worthless.
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16:40:54 * sebbu a eu ses résultats de son 3° semestre de dut info : 5° sur 74 avec 13.597 de moyenne
16:45:35 <SimonRC> sebbu: ????
16:46:52 <sebbu> /ame
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21:22:14 <lament> hola
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←2007-01-25 2007-01-26 2007-01-27→ ↑2007 ↑all