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@pariahsickkid@beige.party @avillavecesn
Maths books upset more than 98% of the world. We have to be thankful that maths books are not (usually) banned.
@avillavecesn @pariahsickkid@beige.party
This is why I took the precaution putting "usually" in parentheses.
At the beginning of 1970's there was still some positive echos of the new math movement in Japan. As a high-school student I read a Japanese translation of textbooks written by a group of authors in the USA closely connected to the new math movement. These textbooks left a deep impact on me.
I think the main problem with the new math. was that the average high-school teachers in most of the countries are not at all good enough to teach such stuff.
@sakaefchn @pariahsickkid At some point during the 1970s, the Junta government in Argentina (the generals who did the coup and systematically kidnapped and murdered people) banned books that used 1960s approach to teaching mathematics (bringing some structural mathematics to adolescents in schools). Apparently, those generals deemed (what was called) modern mathematics (that you could call the Dieudonné/Papy approach) a «subversive» topic.