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Prime Mover's user avatar
Prime Mover's user avatar
Prime Mover's user avatar
Prime Mover
  • Member for 6 years, 9 months
  • Last seen this week
11 votes

Why did I never learn about magmas?

7 votes
Accepted

What is wrong with this bijection from all naturals to reals between 0 and 1?

7 votes
Accepted

How to solve $\omega^4-[(\frac{eB}{m})^2+2\omega_0^2]\omega^2+\omega_0^4=0$ in the simplest way

5 votes
Accepted

Why is $e^π$ transcendental?

5 votes
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On logical connector implies

4 votes
Accepted

Proving a relation is a mapping

4 votes
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Given only the lengths of the three sides of a triangle, can we find if the triangle is impossible?

4 votes

Best book Self teaching calculus at A level?

4 votes
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Find the determinant of matrix $A$

3 votes
Accepted

Meaning of Symbol in Discrete Mathematics (Kenneth Rosen), 8th Edition?

3 votes
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Predicate logic: Negation

3 votes

Calculating the integral of exponential of exponential

3 votes

When is $f(f^{-1}(B)) \neq B$?

3 votes

Is a quotient set the same as a partition?

3 votes

Binary String's set of elements

3 votes
Accepted

When is and isn’t a Surjection ‘self evident.’

3 votes
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How to choose the correct quantifier in this case?

3 votes
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Product of two deficient numbers

3 votes

What is a decimal expansion?

3 votes
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Solving the integral of $\cos^2x\sin^2 x$

3 votes
Accepted

What's a good rigorous Arithmetic book? Specifically one on which the classic arithmetic algorithms are rigorously proven?

3 votes

How to setup the correct fraction in word problems?

3 votes
Accepted

Visually explaining this probability union rule

3 votes

How many elements are in $\{\emptyset, \{\emptyset\}, \{\emptyset,\{\emptyset\}\}\}\;$?

2 votes
Accepted

Construction of derivative as ratio of determinants related to simultaneous system of implicit functions

2 votes

Problem in abstract algebra concerning $x \div y := x \cdot y^{-1}$

2 votes
Accepted

Partial fractions: decompose $\frac{3x}{(x+2)(x-1)}$

2 votes

Where is the function $f(x) = |x| + |x+1| + e^x$ not differentiable

2 votes

Strictly or Increasing function..

2 votes

Do any compatible triangles make a tetrahedron?

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