Provare – A Typechecker for Your Thoughts A tool called Provare has launched as a "typechecker for your thoughts," applying the reasoning approach of programming typecheckers to help users identify inaccuracies, ambiguities, and biases in their ideas. Provare is positioned for working through an opinion, validating an investment hypothesis, or fact-checking an assumption, and its makers say it will not rush users to an idealized correct answer but help them start with what they have and whittle it to a clearer place. The tool's pitch is "Don't outsource your thinking; sharpen it. Provare is a typechecker for your thoughts, inspired by typecheckers that help computer programs run correctly by reasoning about their assumptions and the data they’re working with. Provare can help you identify inaccuracies, ambiguities, and biases in the ideas you give it. Use Provare to work through an opinion, validate an investment hypothesis, or fact-check an assumption. Provare won't rush you to an idealized correct answer; it'll help you start with what you have and whittle it to a place that feels clearer. Don't outsource your thinking; sharpen it.