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→‎Similarities to zero: Inherent in the concept of infinity is the concept of infinitesimal: infinity small. Bernhard Riemann identified the sum of infinitesimal strips of area under a function to establish a rigorous definition of the integral,
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[[Leonhard Euler]], the most prolific mathematician in history, famously said about infinity and zero:<ref>https://www.brainyquote.com/quotes/leonhard_euler_184025</ref>
 
[[Leonhard Euler]], the most prolific mathematician in history, famously said about infinity and zero:<ref>https://www.brainyquote.com/quotes/leonhard_euler_184025</ref>
 
{{cquote|To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be.}}
 
{{cquote|To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be.}}
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===Infinitesimal===
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Inherent in the concept of infinity is the concept of infinitesimal:  infinity small.  [[Bernhard Riemann]] identified the sum of infinitesimal strips of area under a function to establish a rigorous definition of the integral, now known as the [[Riemann Integral]].
 
=== Infinity and economics ===
 
=== Infinity and economics ===
 
The opposite of infinity is [[scarcity]], which is the focus of [[economics]].
 
The opposite of infinity is [[scarcity]], which is the focus of [[economics]].
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