Note this post is not to condone racism or sexism, merely as an explanation of how it might come about from embodied experience and probabilistic reasoning, as well as how we might protect against it.
Things like racism or sexism, or over-generalising on a class of people is one of the more socially inappropriate things you can do. However, depending on how your logic system works, it’s not an entirely unreasonable method of thinking (the word “unreasonable” chosen purposefully) – and for any other subject, where the things being reasoned about are not humans, we wouldn’t particularly care. In fact, certain subjects like religion and spirituality are held to less strict standards of reasoning… there’s actually more defense in being racist/sexist then being a practitioner of certain religions. Perhaps this is why these occasionally go hand in hand.
So what do I actually mean by this? I’m going to use two methods of reasoning, deduction and induction, and then explain them in terms of uncertain truth. Nothing in this world is ultimately absolute and so it behooves us to include probabilistic uncertainty in to any conclusion or relationship within our logic set.