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Tom Boardman's user avatar
Tom Boardman's user avatar
Tom Boardman's user avatar
Tom Boardman
  • Member for 13 years, 11 months
  • Last seen more than 7 years ago
  • London, United Kingdom
73 votes

What is the meaning of the double turnstile symbol ($\models$)?

22 votes

Sum of the alternating harmonic series $\sum_{k=1}^{\infty}\frac{(-1)^{k+1}}{k} = \frac{1}{1} - \frac{1}{2} + \cdots $

20 votes

Intuitive explanation of Cauchy's Integral Formula in Complex Analysis

16 votes

In what sense are math axioms true?

15 votes

Proving that $1$- and $2D$ simple symmetric random walks return to the origin with probability $1$

14 votes

How do you formally prove that rotation is a linear transformation?

11 votes

What is Modern Mathematics? Is this an exact concept with a clear meaning?

8 votes

Is this a counter example to Stromquist's Theorem?

6 votes

Is there some universal sense of -ification (eg, groupification) in category theory

5 votes

Fibonacci's final digits cycle every 60 numbers

4 votes

How are we able to calculate specific numbers in the Fibonacci Sequence?

3 votes

How to write down proofs?

3 votes

How do I figure out what kind of distribution this is?

2 votes

Need faster division technique for $4$ digit numbers.

0 votes

Fatou's Lemma Counterexample