mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2019-12-10

@Jonathan: Yes, they could all be lying. But one might contradict another at some point to make this impossible...

Matthew
on /blog/69

2019-12-12

@Matthew: If an inhabitant is a liar, do they always lie?

(anonymous)
on /blog/69

2019-12-12

@(anonymous): Yes. Every islander will either always tell the truth or always lie.

Matthew
on /blog/69

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

rugby pokémon weak imposition chalkdust magazine numerical analysis geometry edinburgh coins dinosaurs matrix of cofactors reuleaux polygons flexagons mathslogicbot oeis youtube php databet hannah fry friendly squares guest posts national lottery sound pokémon wordle royal institution radio 4 fence posts crossnumbers finite element method mathsjam pi approximation day signorini conditions arrangement puzzles cambridge turtles nonograms reddit phd numbers fonts manchester convergence dataset crochet estimation preconditioning warwick ucl logs graphs palindromes kenilworth python accuracy errors weather station alphabets bubble bobble dates golden ratio wave scattering ternary programming crosswords sport games arithmetic triangles video games recursion big internet math-off platonic solids computational complexity boundary element methods tmip draughts logic inline code standard deviation thirteen inverse matrices crossnumber braiding royal baby matrix multiplication world cup determinants newcastle anscombe's quartet latex pi light plastic ratio bodmas stirling numbers folding paper realhats wordle mathsteroids european cup cross stitch simultaneous equations regular expressions geogebra data gather town pac-man sobolev spaces runge's phenomenon rhombicuboctahedron machine learning bots trigonometry datasaurus dozen bluesky live stream matrix of minors countdown matrices puzzles gerry anderson chebyshev manchester science festival news pascal's triangle graph theory hats binary craft bempp coventry raspberry pi go quadrilaterals curvature menace rust hexapawn speed probability error bars game show probability propositional calculus javascript tetris pizza cutting frobel harriss spiral fractals wool captain scarlet 24 hour maths folding tube maps people maths tennis london chess interpolation matt parker football map projections christmas card golden spiral electromagnetic field nine men's morris gaussian elimination mean finite group christmas logo approximation kings london underground the aperiodical advent calendar asteroids noughts and crosses hyperbolic surfaces exponential growth data visualisation a gamut of games sorting polynomials partridge puzzle talking maths in public martin gardner dragon curves game of life correlation pythagoras final fantasy zines stickers statistics books squares misleading statistics

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026