Editing 622: Haiku Proof
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==Explanation== | ==Explanation== | ||
β | In this comic [[Cueball]] attends a math class after having been awake for two full days (48 hours). After that he begins to {{w|hallucinate}} and dreams that the teacher [[Miss Lenhart]] (a [http://xkcd.com/622/info.0.json professor] in this comic) answers [[Megan|Megan's]] question, about a proof that there are an infinite number of {{w|prime numbers}}, in {{w|haiku}}. After the first line she floats up and during the third and final line she flies over the students heads. Note also that when Cueball looks up at the flying teacher when she takes off, Megan never moves her head because it's not happening in her world, and Cueball only | + | In this comic [[Cueball]] attends a math class after having been awake for two full days (48 hours). After that he begins to {{w|hallucinate}} and dreams that the teacher [[Miss Lenhart]] (a [http://xkcd.com/622/info.0.json professor] in this comic) answers [[Megan|Megan's]] question, about a proof that there are an infinite number of {{w|prime numbers}}, in {{w|haiku}}. After the first line she floats up and during the third and final line she flies over the students heads. Basically it is a dream, as also indicated with Cueball's thoughts, which are "outside" this {{w|lucid dream}}. It can be seen that the entire comic, except Cueball's thoughts, are inside the dream bubble. (Dreams being a [[:Category:Dreams|recurring theme]] in xkcd). Note also that when Cueball looks up at the flying teacher when she takes off, Megan never moves her head because it's not happening in her world, and Cueball only dreams the teachers flies. |
{{w|Euclid's theorem}} states that there are an infinite number of primes, prime numbers being numbers that are only divisible by themselves and 1. The most notable proof of this theorem, and the one presented in this comic, was first given by Euclid himself in his ''{{w|Euclid's Elements|Elements}}''. A more traditional form of this proof follows: | {{w|Euclid's theorem}} states that there are an infinite number of primes, prime numbers being numbers that are only divisible by themselves and 1. The most notable proof of this theorem, and the one presented in this comic, was first given by Euclid himself in his ''{{w|Euclid's Elements|Elements}}''. A more traditional form of this proof follows: |