I've never heard of meta-learning, but about a year ago I stumbled onto a branch of philosophy called epistemology or the Theory of Knowledge. My studies there have been absolutely exhilarating and disturbing.
Next time you see someone at the coffee machine, ask them them what is meant by knowledge, reason, belief, truth, evidence, opinion, conviction, and hypocrisy.
The incoherent jumble you'll get back is indicative of the broken and sloppy process of the attempt to process data into knowledge (learning).
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