Pieter Bruegel the Elder [Public domain], via Wikimedia Commons
OldTrout 2017
Arts
Christmas Chestnut Soup and Bacon Croutons
I have one rule for Christmas Day: Everything must be home made. No pre-prepared shop stuff because it’s naff. This is an easy starter for Christmas Day. I love soups for Christmas Lunch/Dinner because they’re [more…]
Mathematics
The Infinity of the Primes
Euclid’s Elements, Book IX, Proposition 20. Theorem : Prime numbers are more than any assigned multitude of prime numbers. That is, there are infinitely many primes. Proof : Suppose that there are primes : Let [more…]
Hobbies
From a Sum to a Product
In The Basel Problem we saw that Euler answered the question by showing that the sum of the reciprocals of the square numbers is equal to . That is The partial sums slowly converge to [more…]