A hypothesis is, at best, a proposed explanation based on a limited amount of evidence and used as a starting point for further investigation. The simulation hypothesis consists of a single statement:
We are living in a computer simulation.
The simulation hypothesis is offered as a critical view of our understanding of the known universe and is based primarily on findings that the universe is subjective as apposed to the previously held assumption that the universe was objective. Scientific experimentation has led to problems regarding this previously held assumption that the simulation hypothesis explains.
The simulation hypothesis is one of three possibilities found within the simulation argument.