The tendency to avoid teaching abstraction and explain everything via misleading/wrong concretes and metaphors just hurts the learner
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Replying to @pchiusano
Metaphor and concretes are at best a crutch, to be discarded *as quickly as possible* on the way to understanding an abstraction proper
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Replying to @pchiusano
... lest the learner grow too attached to concretes and avoid the leap in thinking to understanding abstractions as an independent concept
3 replies 1 retweet 2 likes
Replying to @pchiusano
@pchiusano The sooner you can start viewing abstractions *as* concretes themselves, the better.
12:41 PM - 4 Dec 2014
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