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ralphmerridew's user avatar
ralphmerridew's user avatar
ralphmerridew
  • Member for 9 years, 1 month
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6 votes

Could you generate any positive number given only a few specific operators and operands?

5 votes

Are all continuous one one functions differentiable?

4 votes

What is wrong with this limit argument?

3 votes

Can any number of squares sum to a square?

1 vote

How to find the password space given several restrictions?

1 vote

Logical explanation of Euler's formula

1 vote

Given the conditions above, find when $x$, $y$, $z$ satisfy below: $ (x^2-1)(y+1)=\dfrac{z^2+1}{y-1}$

0 votes

Sum of two squares problem

0 votes

A knights and knaves problem with one truth-saying knave; what is the minimum number of questions needed to find this atypical knave?

0 votes

Why can't well ordered sets have infinite decreasing subsequences?

-1 votes

What is wrong with the following proof?