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14 votes

What does "curly (curved) less than" sign $\succcurlyeq$ mean?

answered Feb 9, 2014 at 2:08

13 votes

What does "calculus" mean in the most general sense?

answered Aug 22, 2012 at 20:00

6 votes

3xy + 14x + 17y + 71 = 0 need some advice

answered Jul 26, 2012 at 16:21

5 votes

Accepted

Uniqueness of meets and joins in posets

answered Jul 23, 2012 at 17:29

4 votes

Imaginary Numbers. Example of when it arises in a "real" application of math?

answered Feb 17, 2014 at 4:06

4 votes

Notation Question: What does $\vdash$ mean in logic?

answered Jan 16, 2013 at 23:20

4 votes

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How to prove a language is decidable

answered Oct 6, 2014 at 3:31

3 votes

Accepted

Graphing functions

answered Jul 13, 2014 at 0:55

3 votes

Accepted

Presence of Identity Element and abelian groups

answered Jul 26, 2012 at 16:04

3 votes

Proving double derivatives with the chain rule (I think?)

answered Jul 12, 2014 at 21:26

3 votes

Accepted

How can the graph of an equivalence relation be conceptualized?

answered Apr 12, 2013 at 2:19

3 votes

Accepted

Examples of preorders in which meets and joins do not exist

answered Jul 23, 2012 at 17:24

3 votes

Distinct permutations of the word "toffee"

answered Jul 26, 2012 at 21:38

3 votes

Accepted

Correct interpretation of $E \subseteq V^{(2)}$

answered Jul 31, 2012 at 18:58

3 votes

Good books on mathematical logic?

answered Aug 22, 2012 at 20:19

2 votes

Find the domain of $f(x)=\frac{3x+1}{\sqrt{x^2+x-2}}$

answered Aug 7, 2012 at 0:39

2 votes

What are the points of discontinuity of $\tan x$?

answered Aug 7, 2012 at 15:06

2 votes

Accepted

Finding the order of another element of a group

answered Jul 31, 2012 at 21:33

2 votes

How to simplify an expression like this: $(x^2+x^{-2}-2)^{1/2}$

answered Jul 26, 2012 at 15:00

2 votes

Compute integral $\int_{-6}^6 \! \frac{(4e^{2x} + 2)^2}{e^{2x}} \, \mathrm{d} x$

answered Jul 21, 2012 at 16:43

2 votes

Accepted

If F→G is a consequence of F, then so is ¬G→¬F. A direct proof?

answered Mar 26, 2013 at 17:13

2 votes

The shortest distance between a point and a figure

answered Mar 26, 2013 at 16:19

2 votes

Curiosity about Kronecker's Delta?

answered Jul 12, 2014 at 3:43

2 votes

Proving an identity involving arithmetic functions holds only for primes

answered Sep 1, 2012 at 18:29

2 votes

Is there a topology so that $f(x)=x$ is continuous but $g(x)=x^2$ is not?

answered May 1, 2017 at 22:56

1 vote

Trouble finding the derivative of an expression

answered Jul 13, 2014 at 23:02

1 vote

Accepted

Graham scan convex hull algorithm - include all points on boundary

answered Jan 16, 2013 at 22:49

1 vote

Accepted

When to use significant figures

answered Dec 14, 2012 at 2:42

1 vote

Graph theory and computer chip design reference

answered Feb 24, 2013 at 23:32

1 vote

What exactly is a number?

answered Jul 13, 2014 at 1:09

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78 Answers

What does "curly (curved) less than" sign $\succcurlyeq$ mean?

What does "calculus" mean in the most general sense?

3xy + 14x + 17y + 71 = 0 need some advice

Uniqueness of meets and joins in posets

Imaginary Numbers. Example of when it arises in a "real" application of math?

Notation Question: What does $\vdash$ mean in logic?

How to prove a language is decidable

Graphing functions

Presence of Identity Element and abelian groups

Proving double derivatives with the chain rule (I think?)

How can the graph of an equivalence relation be conceptualized?

Examples of preorders in which meets and joins do not exist

Distinct permutations of the word "toffee"

Correct interpretation of $E \subseteq V^{(2)}$

Good books on mathematical logic?

Find the domain of $f(x)=\frac{3x+1}{\sqrt{x^2+x-2}}$

What are the points of discontinuity of $\tan x$?

Finding the order of another element of a group

How to simplify an expression like this: $(x^2+x^{-2}-2)^{1/2}$

Compute integral $\int_{-6}^6 \! \frac{(4e^{2x} + 2)^2}{e^{2x}} \, \mathrm{d} x$

If F→G is a consequence of F, then so is ¬G→¬F. A direct proof?

The shortest distance between a point and a figure

Curiosity about Kronecker's Delta?

Proving an identity involving arithmetic functions holds only for primes

Is there a topology so that $f(x)=x$ is continuous but $g(x)=x^2$ is not?

Trouble finding the derivative of an expression

Graham scan convex hull algorithm - include all points on boundary

When to use significant figures

Graph theory and computer chip design reference

What exactly is a number?