I would probably add some arrows that go down as well as up: I
   don't believe it is quite as firm and pyramid-y like this.
   HOWEVER: the 'gist' of this I could stand behind and say, "Yes,
   this is more-or-less close enough for now" [image via
   KurzweilAI][1]pyramid-of-cognition

References

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   1. http://icopiedyou.com/wp-content/uploads/2016/01/pyramid-of-cognition.jpg