Best way to acquire Proof/Logic skills

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Discussion Overview

The discussion revolves around the best methods for acquiring proof and logic skills in mathematics. Participants explore various approaches, including reading proof books and solving proof problems, as well as the importance of foundational knowledge in discrete mathematics and general logical reasoning.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest a combination of reading proof books and solving problems, emphasizing the importance of problem-solving in refining logical skills.
  • One participant highlights the value of learning common proof techniques, noting that similar proofs often appear in analysis.
  • Another participant recommends starting with discrete mathematics to build foundational proof skills, mentioning topics like proof by induction and set theory.
  • Some participants argue that developing logical thinking through disciplines such as rhetoric or even studying Latin can be beneficial, potentially even more so than focusing solely on mathematical techniques.

Areas of Agreement / Disagreement

Participants generally agree on the importance of both problem-solving and foundational knowledge in discrete mathematics, but there are differing opinions on the best starting point and the role of general logical reasoning versus specific mathematical techniques.

Contextual Notes

Some assumptions about prior knowledge in mathematics and logic are not explicitly stated, and the discussion does not resolve the best approach for all learners.

bacte2013
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Dear P.F. friends,

What is the best way to learn and sharpen the proof methodologies and logic in mathematics, reading the proof books or attempting the proof problems in analysis texts without the proof basics?
 
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I would do both, look over the steps and tips for proofs and then do problems. Focus on the problems a lot more; they are much more important to refining your sense of logic. Work through problems, check them, find what went wrong, identify what in your process of thinking went wrong, and try to fix it in the next problem. Rinse and repeat until you're confident in your abilities, then do 3-5 more. If you get them correct, then you're all good for that particular methodology or area or whatever.
 
Learn common proof techniques. I believe you'll find similar proofs crop up a lot in analysis.
 
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bacte2013 said:
Dear P.F. friends,

What is the best way to learn and sharpen the proof methodologies and logic in mathematics, reading the proof books or attempting the proof problems in analysis texts without the proof basics?
Start with a text or course on discrete math. Counting, proof by induction, predicate calculus, proof by contradiction, set theory, etc. It sharpens your proof muscles a lot.
 
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I second the recommendation to look at discrete math, but I'd also add that it would be very helpful to think logically and rigorously in general.

My own introduction to logic came from learning Latin in high school. Studying rhetoric or argument in general would be just as good a place to start as learning math. I would say that it might even be better since solving math problems is more about thinking and seeing problems logically than about a specific set of techniques.
 

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