Interpretations of the Quantum Theory

Many Worlds Interpretation

Why could the many worlds interpretation be called ontologically wasteful?

An approach to explain what is going on at the ontological level is the so-called many worlds interpretation. Instead of claiming that until something is measured, it is not defined, it states that at all times, we have a definite history. This means that Schrödinger’s cat is always either alive or dead, no matter whether you open the box or leave it closed. In that regard, the many worlds in...