Ilov80s
Footballguy
You subtracted a positive number. Subtraction isn't the same as the concept of a number less than zero. If Johnny had 2 apples and Mary took 4 apples from him, then I would be impressed.
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6 - 1 x 0 + 2 ÷ 2 = ? (1 Viewer)
- Thread starter otello
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CowboysFromHell
Footballguy
MC Gas Money
Footballguy
I tried. I really tried.fun ended 6 pages ago.. the nerds have taken the thread over now.
Ilov80s
Footballguy
The whole thread is bait.
skol asylum
Footballguy
skol asylum
Footballguy
Ok i needed a math refresher. I get it i guess but it is still strange to say a fraction of one is one.
https://www.khanacademy.org/math/recreational-math/vi-hart/infinity/v/9-999-reasons-that-999-1
https://www.khanacademy.org/math/recreational-math/vi-hart/infinity/v/9-999-reasons-that-999-1
moleculo
Footballguy
I have a basket. It doesn't have any apples in it. Can you use that to demonstrate it has 0 apples?
Dexter
Footballguy
Ilov80s
Footballguy
Is zero a number or the absence of a number?My big knock on 0 is that if something is a number, than we should be able to perform the four basic mathematic functions with it, right?
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moleculo
Footballguy
I would have to say it's the absence of a number, but the construct of 0 functions as a number so, while technically it's not a number, it can be used in calculations as such. Similar to i.
rodg12
Footballguy
It's a number.
I remember getting into an argument with my brother about the score of a football game that had just started. He said it didn't have a score. I said it did have a score: the score was zero to zero. That's a score.
Similarly, when the slope of a line is zero, it has a slope of zero. (It doesn't not have a slope.) When the sum of a few addends is zero, their sum is zero. (They don't not have a sum.) And so on.
Zero is a value in its own right; it's not simply the absence of a value.
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skol asylum
Footballguy
Papa Georgio
Footballguy
I knew those algebra classes would come in handy someday.
When it doubt...FOIL
When it doubt...FOIL
skol asylum
Footballguy
Ignoratio Elenchi
Footballguy
I agree, but similar to some of the earlier discussion, zero is a number kinda because we've defined it as such. (This goes a little beyond my pay grade, but IIRC we can and do study algebraic structures like semigroups that don't contain an additive identity.) The same way we define negative numbers as additive inverses, or 1/2 as a number, or i as a number, or really anything else in math. Even the existence of something as seemingly obvious as the number 2 is ultimately founded on some set of axioms that we just sort of accept as true, and upon which we build definitions of everything else.Maurile Tremblay said:
The score of the game is "zero to zero," which isn't a number, it's a string representing the state of the game.
When the game has first started, you could ask, "How many points have the Giants scored?" and I might respond, "They haven't." In that sense, one might argue that 0 isn't the number of points scored, it's merely the way we describe an absence of points.
Anyway, like I said, I don't disagree with you, just providing a different take. To the side that might argue that numbers must correspond to physical representations, can you give me pi apples (not to be confused with apple pie, of course)? Is pi not a number?
Numbers, like other mathematical constructs (such as the order of operations), are for the most part what we agree they are. Whether zero is or isn't really a number is a pointless but possibly fun philosophical diversion.
Henry Ford
Footballguy
skol asylum
Footballguy
Depending on which direction you turn around, it could be -180 degrees or +180 degrees right?
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