It doesn't even need to be that close to 2.5 2 1/3 pretty clearly rounds to two. And two lots of that clearly rounds to five.
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Replying to @Gent_Sausage @arthur_affect
If you have a set of scales and you have a thing that shows on the scale that it weighs two, and another if that thing, that also shows on the scale that it weighs two, and you weigh both together you still see that it weighs five. That's the point.
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It is generally understood, although not necessarily accurately, that the number "2" means "2.000...", that is the number two with an infinite set of zeroes after the decimal.
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(As an aside this is also exactly the same as a number one with an infinite sequence of nines after the decimal.)
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Not exactly.
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Replying to @JustCanadian7 @phyphor and
Yes, exactly. 1.99999999999999... means the limit of the series 1+0.9+0.09+0.009+0.0009+...., which is 2.
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Replying to @IMJackRudd @phyphor and
What does 1.999999989.... equal? This isn’t about math. It’s about control. Of thoughts, or narrative, I’m not even sure of what. But your desire to prove me wrong isn’t related to math. What are your trying to prove? What belief of mine do you want to negate or change?
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Replying to @JustCanadian7 @IMJackRudd and
I mean, personally I'm reacting negatively to you because you're on the Internet and you're a prick, and dunking on people like you is highly pleasurable and a great way to bond with friends and acquaintances
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Replying to @arthur_affect @JustCanadian7 and
But on a deeper level than that, yes, I think this mistaken view of what "mathematical truth" means is toxic and destructive Very much so for mathematical education and just having comfort with what mathematicians actually do Also just for your worldview as a human being
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The Sabbath was made for man, man was not made for the Sabbath, you know We invented all these things, they exist to serve us and help us live and make us happy
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Replying to @arthur_affect @JustCanadian7 and
If it turns out the be the other way around then we're all hellbound here for all this working overtime
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Replying to @Gent_Sausage @arthur_affect and
It's Monday for me so I'm safe!
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End of conversation
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