“Think of a mountain in the Swiss Alps: cows grazing on the verdant lower slopes, snow capping the majestic peak.

Now forget about the cows and the snow and ask yourself whether the function defining the surface of the mountain is concave.”

– Martin J. Osborne, a king among men

When I write math textbooks, they will be written Dr. Seuss style, comme ca:

I do not like convex sets
I do not want them in my head
I do not like them on the page
I hate them more as I age

 

I am the future of educational resources.

 

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