How to Invent Everything

if at this point you’re thinking you could easily improve this system by farming only half your fields each year while the other half recover, congratulations: you just invented crop rotation!
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locks in 0 degrees as the temperature of a weird slurry of ice, water, and salt that Mr. Fahrenheit threw together before calling it a day, and we will discuss it no further,

. All you need is this book and some water.

instead of each human having to do everything necessary to survive (or splitting it among a family group), now someone who’s particularly talented at farming can focus all their efforts on that.

With an economy comes specialization: instead of each human having to do everything necessary to survive (or splitting it among a family group), now someone who’s particularly talented at farming can focus all their efforts on that. A hunter and gatherer

Farming also formalizes the idea of an economy in your civilization, since now farmers can regularly trade their food with others.

Farming also formalizes the idea of an economy in your civilization, since now farmers can regularly trade their food with others. With an economy comes specialization: instead of each human having to do everything necessary to survive (or splitting it among a family group), now someone who’s particularly talented at farming can focus all their efforts on that. A hunter and gatherer

by this logic, 1/0 should equal negative infinity.

But a number can’t be equal to infinity and negative infinity at the same time.

mathematics is actually built on a foundation of things we can’t prove but assume are true. We call them “axioms,” and we think they’re safe assumptions, but at the end of the day, they remain beliefs we cannot prove. Axioms include ideas like “2 + 1 gives the same result as 1 + 2” and “if
a equals b, and if b equals c, then a equals c.”

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