Lee_B comments on How to Convince Me That 2 + 2 = 3 - Less Wrong
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Comments (381)
I am confused by this discussion. Are we talking about integers or things?
Analytic truths may or may not correspond to our situations. When they don't correspond, I guess that's what you all are calling "false." So, if we're engineers working on building a GPS system, I might say to you, "Careful now, Euclidean geometry is false."
Similarly, quantum physicists on the job might say, "Watch out now, two and two isn't necessarily four."
I'm thinking of this excellent blog post I came across last week: