Skip to main content
Austin Mohr's user avatar
Austin Mohr's user avatar
Austin Mohr's user avatar
Austin Mohr
  • Member for 13 years, 1 month
  • Last seen this week
44 votes

Why does L'Hôpital's rule work?

43 votes

Compact sets are closed?

41 votes
Accepted

What is a real world application of polynomial factoring?

37 votes
Accepted

Prove: If a sequence converges, then every subsequence converges to the same limit.

35 votes

Four married couples attend a party. Each person shakes hands with every other person, except their own spouse, exactly once. How many handshakes?

34 votes

Why does one have to check if axioms are true?

32 votes
Accepted

Is there a great mathematical example for a 12-year-old?

29 votes
Accepted

Is the empty set a power set?

29 votes

How can I get sequence $4,4,2,4,4,2,4,4,2\ldots$ into equation?

29 votes
Accepted

Notation for repeated application of function

29 votes
Accepted

Calculating the probability that at least one of a series of events will happen

26 votes
Accepted

Weird E letter? (sigma)

26 votes
Accepted

Simplest Example of a Poset that is not a Lattice

26 votes

Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$

24 votes

Connected But Not Path-Connected?

23 votes

Funny identities

23 votes
Accepted

How to find chromatic number of the $n$-dimensional hypercube $Q_n$?

22 votes
Accepted

Transitive Relations

22 votes
Accepted

Injection and surjection - origin of words

21 votes

Is the square root of -1 rational?

21 votes
Accepted

The meaning of Implication in Logic

21 votes
Accepted

Bell numbers (number of partitions of set of cardinality n) recurrence relation proof

20 votes
Accepted

Maximal and Maximum Cliques

19 votes

Venn diagram 3 set

18 votes
Accepted

compactness / sequentially compact

18 votes
Accepted

What is a paradox in mathematics?

17 votes

Induced subgraphs

17 votes

I'm looking for some mathematics that will challenge me as a year $12$ student.

15 votes
Accepted

Normal, Non-Metrizable Spaces

15 votes
Accepted

What does "$\cdots$" mean in $\frac{n(n-1)(n-2)\cdots(n-r+2)}{(r-1)!}a^{n-r+1}b^{r-1}$?

1
2 3 4 5
15