How many theorems are there in mathematics?

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Discussion Overview

The discussion centers around the question of how many theorems exist in mathematics, exploring the nature of theorems, their potential for infinity, and related metrics such as the number of mathematical research papers published.

Discussion Character

  • Exploratory
  • Debate/contested

Main Points Raised

  • One participant humorously suggests there are 42 theorems, with a possibility of a 43rd being invented soon.
  • Another participant points to a Wikipedia link listing theorems, implying a resource for further exploration.
  • It is proposed that there are an infinite number of potential theorems, though not all are deemed interesting.
  • A participant suggests that estimating the number of mathematical research papers published might be easier, noting that many papers contain original theorems.
  • Statistics are provided regarding the number of mathematical research papers published in Canada, the US, and Holland, indicating a significant volume of mathematical work.
  • One participant makes a comparison, stating that answering the original question is as difficult as determining the number of planets or moons in the universe.

Areas of Agreement / Disagreement

Participants express differing views on the nature and quantity of theorems, with some suggesting an infinite potential while others focus on the practical aspects of published research. The discussion does not reach a consensus.

Contextual Notes

The discussion highlights the ambiguity in defining what constitutes a theorem and the subjective nature of interest in theorems. The estimates regarding research papers depend on various factors and assumptions about publication trends.

xavier_r
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How many theorems are there in mathematics?

A very stupid question... I hope there's an answer!
 
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42. The 43rd might be invented soon.
 


There are an infinite number of potential theorems. However, not all of them are interesting.
 
Maybe easier to estimate is the number of mathematical research papers published. Most of those will contain at least one original theorem, many of those will contain multiple theorems.

Found on-line in the Canadian Encyclopedia: Canada produced 73 mathematical research papers per year per million of the population in 1990. US and Holland followed with 47 mathematical research papers per year per million of the population.

From the Association of Research Libraries ( http://www.arl.org/sc/subversive/viii-a-researchers-perspective.shtml ):
The exponential growth in mathematical publishing has interesting implications. Adding up the numbers in [MR] or simply extrapolating from the current figure of about 50,000 papers per year and a doubling every 10 years, we come to the conclusion that about 1,000,000 mathematical papers have ever been published.
 


Vanadium is right an easier question to answer would be how many planets in the universe or how many moons in the universe.
 

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