How does Fermat's principle of least time come from this statement?
15352
How is Fermat's least time principle proven?
74207
What is $i$ exponentiated to itself $i$ times?
100399
A doubt with a part of a certain proof.
113986
Fermat's Last Theorem: implications (there is no new proof)
26607
The idea behind the sum of powers of 2
136918
How to determine the smallest numbers with $n$ factors
21945
Explanation of the Fibonacci sequence appearing in the result of 1 divided by 89?
56446
A kind of converse of Lagrange's Theorem
50008
Time Complexity of $T(n)=T(n-2)+\frac{1}{\log(n)}$
5530
Intuitively, what separates Mersenne primes from Fermat primes?
39276
Ground Plan - Prove Fermat-Euclid's Totient Theorem with Lagrange's Theorem
140265
How does the fibonacci recursive function "work"?
157652
Fermat's Last Theorem for Gaussian Integers (excluding the integers or  same pure imaginaries)
17515
Why is negative times negative = positive?
27859
least common multiple of $\{1,2,...,n\}$ is bigger than $2^{n-1}$
137175
Fermat's little theorem proof by Euler
99483
If $T(n+1)=T(n)+\lfloor \sqrt{n+1}, \rfloor$ $\forall n\geq 1$, what is $T(m^2)$?