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Possible Duplicate:
What do Algebra and Calculus mean?

Where are the numbers? derivatives? integrals? limits? If I understand it correctly, lambda calculus is all about symbols. There are no numbers or operators like addition or multiplications except in a very abstract way like Church encoding and alike. The way I see it, it has nothing to do with what we called calculus in high school or university. Insights?

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    It's a "calculus" in the sense of a system of manipulations (like "logical calculus"), not a "calculus" in the sense of "differential calculus" that you're thinking of.2012-10-20
  • 0
    If compact Hausdorff spaces are normal, how come $\beta\mathbb N$ is so crazy? :-) Names are just words.2012-10-20
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    possible duplicate of [What do Algebra and Calculus mean?](http://math.stackexchange.com/questions/54763/what-do-algebra-and-calculus-mean) or [What does “calculus” mean in the most general sense?](http://math.stackexchange.com/questions/185559/what-does-calculus-mean-in-the-most-general-sense) or [what is meant if someone writes “calculus of ..”?](http://math.stackexchange.com/questions/127078/terminology-what-is-meant-if-someone-writes-calculus-of)2012-10-20

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