bestaanscriterium
The bestaanscriterium, also known as the "criterion of existence" or "existence criterion," is a philosophical concept primarily discussed within the context of the philosophy of mathematics and the foundations of logic. It refers to the question of what conditions must be met for an object, statement, or entity to be considered as genuinely existing or valid within a given framework, such as a mathematical system or logical theory.
The term gained prominence through the work of Dutch philosopher and mathematician Luitzen Brouwer, a key figure
In contrast to classical mathematics, where existence is often established through logical deduction (e.g., by showing
The bestaanscriterium remains relevant in discussions about the foundations of mathematics, particularly in comparing intuitionistic and