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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025