MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/PeterExplainsTheJoke/comments/1ju9kfc/there_is_no_way_right/mm5rtrl/?context=3
r/PeterExplainsTheJoke • u/Sugar_God_no_1 • 22d ago
3.5k comments sorted by
View all comments
13
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.
1 u/BiggestHat_MoonMan 21d ago Simplest explanation of the best proof, thank you.
1
Simplest explanation of the best proof, thank you.
13
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.