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• 46 In plain language, what's the difference between two things that are 'equivalent', 'equal', and 'identical'?
• 45 In plain language, what's the significance of a field?
• 41 Why do proof authors use natural language sentences to write proofs?
• 34 May I treat units (e.g. joules, grams, etc.) in equations as variables?
• 29 Why is acceleration expressed as m/s/s?
• 27 If I don't know whether a staff member has a PhD, should I address her as Dr. in my emails?
• 25 What is a simple example of a limit in the real world?
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