This intro to math structures is an intro to basic mathematical proof writing. And it at least tries to answer the question "what are proofs?", in a introductory way. Proofs are something you can write without knowledge of Calculus, so I will do my best to avoid it. We'll come to answer "what is proof" by talking through valid and sound arguments, then going through a direct proof example with the proof of the product of two odd integers is odd, and then end with an indirect proof example with a proof by way of contradiction that the square root of 2 is irrational.
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What is proof? (Part 1) | Intro to Math Structures VS1.3
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intro to math structuresintro to proof writingbasic math proofswhat are proofs in mathwhat is proofwhat is proof in mathwhat are proofsvalid and sound argumentsvalid argumentssoundness of argumentssoundness in mathvalidity in mathematicsdirect proof exampleindirect proof exampleproof that the product of two odd integers is oddproof that the square root of 2 is irrationalthe product of two odd integers is oddsquare root of 2 is irrational proof
