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2021-05-16 19:46:54 <gedda> mniip, thanks for the more proper definition, never saw it as a morhpism between f and fmap f before
2021-05-16 19:47:21 <mniip> that's not a correct way to call it
2021-05-16 19:47:44 <gedda> yea sorry, between implies iso which is not in this case
2021-05-16 19:47:50 <mniip> no
2021-05-16 19:48:21 <mniip> saying "f : X -> Y" aka "f is a morphism from X to Y" means that X is an object that is its domain, and Y is an object that is its codomain
2021-05-16 19:48:32 <mniip> "f(x) = y" or "f maps x to y" is completely different
2021-05-16 19:48:42 <mniip> here x is an element of X (whatever that means)
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2021-05-16 19:55:55 <boxscape> A crude illustrations, for morphisms from sets to sets https://i.imgur.com/WO1HeYN.png
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2021-05-16 20:08:30 <gedda> cheers!
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2021-05-16 20:25:52 <ThinkPad> Hi. I am the ghost of Johnny von Neumann. I know almost nothing about modern programming but I have a question : Why would you need anything other than machine code? köszönöm szépen
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2021-05-16 20:38:14 <hpc> machine code? FPGAs should be enough for anyone
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2021-05-16 20:44:04 <safinaskar> hi. i'm reading docs for Happy. And I see that Happy can count lines, but not characters!!!
2021-05-16 20:44:15 <safinaskar> are Happy really so bad, or this is just old docs?
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2021-05-16 20:45:24 <pjb> ThinkPad: what you need is abstractions. You can start from machine code, but when you clim the abstraction layers, you will implement progressively higher level programming languages.
2021-05-16 20:46:25 <pjb> ThinkPad: https://www.smart-jokes.org/programmer-evolution.html
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2021-05-16 20:46:46 <pjb> ThinkPad: note the "Senior Manager" level of abstraction.
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2021-05-16 20:47:25 <pjb> ThinkPad: then ask Siri to say Hello World!
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2021-05-16 21:26:36 <cdsmith> > pi == (pi * 10000) / 10000
2021-05-16 21:26:38 <lambdabot> True
2021-05-16 21:26:47 <cdsmith> How is that true? There should be loss of precision, right?

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