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.

2023-12-24

@Seth Cohen: Consider a truth table covering the four T/F combinations. Which one is consistent?

This clue is a really clever anchor for establishing some truths (I mean, could you trust a clue that says "x clue is true"?). The single consistent solution is really clever. Thanks Matthew, this was a fun challenge.

Allan Taylor
on /blog/107

×3

×2

×2

×2

×2

2023-12-24

Whoaaaa just saw the clue for the 24th. This is gonna be fun to unpack! Definitely a step up from previous years!

Thanks @Matthew: and @Allan Taylor: for the tips!

Seth Cohen
on /blog/107

×4

×4

×4

×4

×4

Archive

Show me a random blog post

2025

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025