You are ready. You don’t read math book like you read a novel. You can literally spend days on one page. You are not going to find a better book than Halmos’s. Every mathematician agrees that every mathematician must know some set theory; the Naive Set Theory. Authors; (view affiliations). Paul R. Halmos. Book. Every mathematician agrees that every mathematician must know some set theory; the disagreement begins in trying to decide how much is some. This book.

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He also confused me with his explanation of “characteristic function” – you might want to check another source there. However, I believe a more modern introduction to set theory could have taught me more pertinent mathematics in the same amount of time.

They would resort to “for some” or theoru any” in largely english-language proofs.

Naive Set Theory

I’ll follow with some key points and some highlights of things that tripped me up while reading the book. Paul Halmos is often held up as a paragon of mathematical writing, and reading this book one can haomos why. You must become comfortable with impliesif and only iffor allthere existsandand or.

Just like everybody who uses mathematics just assumes that the real numbers exist and have the obvious properties. I don’t particularly recommend set theory to armchair mathematicians. Derek Goldrei, Classic set theorybut some “practice” with mathematical galmos logic symbolism is needed Minsky It will certainly get you up to speed on the basics of logic. Arithmetic The principle of mathematical induction is put to heavy use in order to define arithmetic.

The continuum hypothesis asserts that there is no cardinal number between that of the natural numbers and that of the reals.


Concise introduction to structures in mathematics without proofs. But that’s a small complaint on an excellent document. The recursion theorem guarantees that recursive functions exist. Should I read this book?

Naive Set Theory by Halmos is confusing to a layman like me – Mathematics Stack Exchange

The proofs were rigorous the authors tightly restricted their english phrasesbut I was somewhat surprised to find the axioms of set theory described in lingual rather than symbolic form. Nov 04, Shibajee Samaddar rated it it was amazing.

Most useful was interacting with ordinal and cardinal numbers. Every page is a conundrum that requires huge amounts of mental gymnastics.

While reading haomos, keep in mind that I was just reading this to get an overview. nive

For machine learning, you will be a user of sets and you might do some calculation nwive sets but you won’t be doing research into what sets are and what are the limits of what they can do.

Theeory theory has eluded me. In some theories this is sdt. I am sure the book does what it claims, gives you all the foundations in set theory to go on to bigger and better things. To the author’s credit, they point out many of the inconsistencies: I should also mention that it is only after reading this book that I realize how wrong I was in my idea of what a ‘relation’ in ‘relational database’ meant.

In particular, observe that the following both express the same thing. Set theory is axiom soup.

In fact, it’s quite a fascinating time capsule: Sign up using Facebook. Though, the axiom of choice often makes the job easier in finite cases so it is used where it isn’t necessary. Sets are the same if they contain the same elements. If you seek to get into a new field, know the prerequisites. There are very few displayed theorems; most of the facts are stated in simple terms, followed by a sketch of the proof.


While every mathematician is familiar with nzive former, a lot less are familiar with the latter, which is concerned with the theorh foundations of the concept of set. In those areas, set theory works in just the way you’d expect it to.

Excellent Introduction to Set Halmis. Naive Set Theory By: The axiom of substitution is called the axiom schema of replacement in modern use. Want to Read Currently Reading Read. Also, there are only one or two exercises per chapter.

All this stuffyou will encounter while studying MLso better to be comfortable beforehand. I’m reviewing the books on the MIRI course list. The last few chapters were actually a bit too esoteric to finish, I tried.

Sign up or log in Sign up using Google. I’m reading through the books in the MIRI research guide and will write a review for each as I finish them. Even though the book is thin, the subject is thick. Don’t feel obliged to learn everything in the book.

Book Review: Naive Set Theory (MIRI research guide)

I had started reading it on the nsive when I realized it was contextually useful. Some specific subjects analysis, type theory, group theory, etc. An Historical Introduction to Cantor’s Paradise.