An Obvious Theorem


The last theorem in John H. Conway’s book, On Numbers and Games (1976), is:

Theorem 100: This is the last theorem in this book.
(The proof is obvious.)

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My name Edmark M. Law. I work as a freelance writer, mainly writing about science and mathematics. I am an ardent hobbyist. I like to read, solve puzzles, play chess, make origami and play basketball. In addition, I dabble in magic, particularly card magic and other sleight-of-hand type magic. I live in Hong Kong. You can find me on Twitter` and Facebook. My email is

12 thoughts on “An Obvious Theorem

    1. I have only read 2 of his books (What is the name of this book and The Lady or the Tiger). His other books are on my to be read list but I can’t find the time for it. Thanks for reminding me. Might as well read one of his books this weekend.


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