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• 64 Implies ($\Rightarrow$) vs. Entails ($\models$) vs. Provable ($\vdash$)
• 26 Continuous functions $f$ with $f(A)$ linearly independent when $A$ is independent
• 26 How is this a number sequence $58, 26, 16, 14, 10$
• 24 Why does the power rule work?
• 24 If $A^2$ is invertible, then $A$ is also invertible?
• 23 Is there a simple group of any (infinite) size?
• 22 Why is the definition of "limit" difficult to understand at first?
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