Matt Sornson

Good Explanations objectively differ from Bad Explanations because they are Hard to vary. Explanations are inherently error prone (see Fallibilism) which is why we need Criticism and Error Correction. Explanations can have unbounded Reach (i.e. apply to solve unforeseen problems).

Deustsch defines Optimism as the theory that all failures are due to lack of Knowledge. That doesn't mean proceeding as if there won't be bad outcomes (since problems are inevitable) - he calls that Blind Optimism. In contrast Blind Pessimism is avoiding everything not known to be safe.

Think of Memes as any ideas that are passed between lots of people. For example, a language, scientific theory, or religious belief are all memes. Memes have to be actively replicated to survive (i.e. spoken or written and distributed). A Rational Meme is a Good Explanation that relies on the recipient's critical faculties to cause itself to be rep... See more

We have made virtually no Progress over the vast majority of human history. Only recently (mostly since the European Enlightenment) has progress been discernible inside a human lifetime.

Once those explanations are recorded somewhere they become Knowledge. For billions of years Knowledge Creation was limited to our biological Evolution, slow and random changes over time inscribed in our DNA. Then 7,000 years ago we invented language, 5,000 years ago writing, 582 years ago printing-presses, and very recently computers and hard-drive... See more