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Andrew Stacey (he/him)

@loopspace@mathstodon.xyz

mastodon 4.7.2

Mathematician: formerly academic (differential topology), currently educational (secondary UK).

Side interests in Maths & Programming & Art.

0 Followers

0 Following

8 Posts

Joined June 09, 2017

Website:

https://loopspace.mathforge.org

Twitter:

https://twitter.com/mathforge

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 5mo ago

Replying to

@noneuclideandreamer@mathstodon.xyz First two look good. For the third, the shaded base is a bit odd. The stereograms that I'm used to don't have filled regions - it's hard to track between the eyes. I don't think the fourth works. I think the sides mean that the "trick" is revealed, and the lack of other clues breaks the 3d illusion.

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 7mo ago

RE: https://mastodon.social/@shire_reckoning/116177141770612346

Tolkien couldn't half write ...

Mastodon

The Shire-Reckoning (@shire_reckoning@mastodon.social)

Théoden answers Saruman. ‘Even if your war on me was just—as it was not, for were you ten times as wise, you would have no right to rule me and mine for your own profit as you desired—even so, what will you say of your torches in Westfold and the children that lie dead there?’

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 15mo ago

I have a question for you all. Which of the following best matches your interpretation of 2+3?

This isn't a trick question: all are valid answers, I'm curious as to what people feel is the "most right" for them.

Please boost!

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 8mo ago

Replying to

@gwenbeads I suspected as much. He was a lovely person. I wouldn't say I knew him very well, but when I lived in Trondheim we got into the habit of having a coffee and a talk about maths whenever he visited the city. I was already inclined to buy your book. That just seals the deal.

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 8mo ago

Replying to

@gwenbeads just checking names, was the Roger you mention Norwegian?

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 15mo ago

Replying to

@ColinTheMathmo@mathstodon.xyz so that sounds like it rules out the first one, that 2+3 just "is" 5. Then which of the other two feels more like what you do when you hear "what is 2+3?"

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 15mo ago

Replying to

@ColinTheMathmo@mathstodon.xyz interesting! If I'd asked about, say, 7-5 then how would you see that as "7-" applied to 5? I'm planning a blog post about the distinctions and wanted some data as to people's inclinations so all will be made plain soon!

Andrew Stacey (he/him) @loopspace@mathstodon.xyz

· 15mo ago

Replying to

@ColinTheMathmo@mathstodon.xyz as the official in charge of this poll, I consider your musings officially helpful!