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setholopolus's user avatar
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setholopolus
  • Member for 7 years, 5 months
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6 votes

Are all irrational numbers prime?

6 votes

Which theorem states that a number N can't be perfectly divided by a number greater that N/2 ?

5 votes
Accepted

Prove a Group is a Subgroup

3 votes

If you add all numbers from 1 to 400 how much will you get?$ 1+2+3.....398+399+400$

3 votes

Find an injection from $\mathbb{Z_+}^n \to \mathbb{Z_+}$

3 votes
Accepted

Help with a simple logical negation: NOT $\forall \epsilon > 0 (\exists a\in S \text{ s.t. } x-\epsilon < a)$

2 votes
Accepted

uniqueness of neutral element for matrix addition confusion

2 votes

Xmas Summation 2016

2 votes
Accepted

Proof for $a\cdot b \neq a$ in a field with four elements $\{0,1,a,b\}$

2 votes
Accepted

Giving an example of a family of sets considering finite and denumerable

2 votes

Binomial Expansion, finding specific coefficient

2 votes
Accepted

None of the students who have cats have dogs how to apply quantifiers and logical connectives???

1 vote
Accepted

Does this probability example I made look correct?

1 vote

Solve $\cos(\frac{\pi}{x}) < 0$ for x?

1 vote
Accepted

Inverse vs Invertible

1 vote
Accepted

Showing Groups and Injectivity of Group Homomorphisms

1 vote

Commutative Ring

1 vote
Accepted

Workers and food problem

0 votes

Finding Points for Polynomial Interpolation

0 votes

If $E_1\subset E_2$, then $\overline E_1\subset\overline E_2$

-1 votes

What exponent law have I violated?