Understanding Infinity: Is Every Number Included?

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SUMMARY

This discussion centers on the concept of infinity in mathematics, specifically addressing the infinite numbers between real numbers such as 1 and 2, and 2 and 3. Participants clarify that while there are indeed infinite numbers in any interval of real numbers, infinity does not imply the inclusion of every number in a conventional sense. The equation ∞14 + ∞18 = ∞32 is presented, prompting a discussion on the proper interpretation of infinity in mathematical equations. A reference to a Math FAQ on infinity is provided for further exploration.

PREREQUISITES
  • Understanding of real numbers and their properties
  • Familiarity with the concept of infinity in mathematics
  • Basic knowledge of mathematical equations and operations
  • Awareness of mathematical resources such as FAQs and educational links
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  • Research the concept of cardinality in set theory
  • Explore the implications of Cantor's theorem on infinity
  • Learn about the different types of infinity in mathematics, such as countable and uncountable infinity
  • Review the Math FAQ on infinity provided in the discussion for deeper insights
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Mathematicians, educators, students studying advanced mathematics, and anyone interested in the philosophical implications of infinity in mathematical contexts.

DaMeekie
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Assuming that this next statement is correct, that there are an infinite amount of numbers between the numbers "1 and 2", and another, different set of infinite numbers between "2 and 3".
All I'm trying to take out of this is that infinity doesn't necessarily mean every number, but at the same time it could.
If this is true then you could have infinity in an equation but also have real numbers to create differences in them because they are constants.

∞14 + ∞18 = ∞32

I'm sure this could go much further, but I'm not even sure if this is already something used. If you have any information, even a link would be nice.
Much Thanks
-DaMeek
 
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DaMeekie said:
Assuming that this next statement is correct, that there are an infinite amount of numbers between the numbers "1 and 2", and another, different set of infinite numbers between "2 and 3".
A better way to say this is that there are an infinite number of numbers between 1 and 2, as well as between 2 and 3. In fact, between any two real numbers, there are an infinite number of numbers
DaMeekie said:
All I'm trying to take out of this is that infinity doesn't necessarily mean every number, but at the same time it could.
If this is true then you could have infinity in an equation but also have real numbers to create differences in them because they are constants.

∞14 + ∞18 = ∞32
That's not the way it works. We have a Math FAQ that discusses infinity - https://www.physicsforums.com/insights/questions-about-infinity/
DaMeekie said:
I'm sure this could go much further, but I'm not even sure if this is already something used. If you have any information, even a link would be nice.
Much Thanks
-DaMeek
 
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