Mj125
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 3 Is there a theorem that disproves this or is this just some made up meaningless thing? 2 Open/Closed Sets 1 Prove a functions integral is greater than $0$ 0 Choosing 3 groups out of 10 people 0 If $f^2$ is Riemann Integrable is $f$ always Riemann Integrable?

### Reputation (84)

 +10 Prove a functions integral is greater than $0$ +30 Is there a theorem that disproves this or is this just some made up meaningless thing? +5 2-rank of symmetric matrix -2 Limit of $x\log x\cdot f(x)$ when $f$ is integrable function

### Questions (3)

 1 2-rank of symmetric matrix 1 continuous function and not differentiable [duplicate] 0 two non-degenerate quadratic forms on $GF(2)^2r$

### Tags (14)

 3 real-analysis × 3 0 analysis 3 recreational-mathematics 0 combinatorics 3 puzzle 0 quadratic-forms 0 matrices × 2 0 reference-request 0 linear-algebra -2 integration × 3

### Accounts (3)

 Mathematics 84 rep 6 Ask Ubuntu 65 rep 39 MathOverflow 44 rep 5