Basically, if a contradiction might be proved in Peano arithmetic, then set theory can be logically inconsistent. In 19th century Europe, there was mathematical and philosophical discussion about the exact nature in the natural figures. Henri Poincaré said that axioms can only be demonstrated in their finite application, and concluded https://herbalmedicinesonline.poetry.blog/2025/08/18/cureayu-trusted-natural-health-products-india-for-all-ages/