engleski

Stairway down to Earth: From Abstract to Concrete

We comment on the recent article: "Stairway to Heaven: The Abstract method and Levels of Abstraction in Mathematics" by Jean Pierre Maquis and conclude that a distinction between levels of abstraction is doomed to be incomplete. Even the very first steps toward abstraction are hard to most people so one is often forced to use the method of concretization. We argument that the method of concretization must also be used with great care.

levels of abstraction, concretization

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