Top network posts

• 112 Check if a file exists with Lua
• 91 Every nonzero element in a finite ring is either a unit or a zero divisor
• 89 Continuous bijection from $(0,1)$ to $[0,1]$
• 81 Is Lagrange's theorem the most basic result in finite group theory?
• 80 Lua print on the same line
• 78 Direct proof that $\pi$ is not constructible
• 77 Why “characteristic zero” and not “infinite characteristic”?
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