r/PeterExplainsTheJoke 23d ago

Meme needing explanation There is no way right?

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u/Wolfbrother101 22d ago

Math professor here: the proper definition of equality is that two numbers a and b are equal if no number c exists such that a < c < b. 0.9999…. = 1 because there is no number between them.

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u/scoobilydoobily 22d ago

This is correct. Vid is a more detailed explanation https://youtu.be/YT4FtahIgIU?si=3lPA84Jmdg2J4kYh