Tl;dr: Effectual reasoning is an entrepreneurial mindset which promotes the acceptance of unpredictability and trial-and-error approaches to business. It encourages entrepreneurs to approach challenges with a "ready, fire, aim" attitude rather than "ready, aim, aim, aim, aim." This helps them feel more comfortable A friend of mine sent me a paper by a UVA professor on what makes entrepreneurs entrepreneurial. Apparently, it’s something called “Effectual Reasoning” and the simplest way I can e...