The Batalin–Vilkovisky formalism is a type of mathematical logic used in the study of theoretical physics. It helps physicists to understand the behavior of particles and systems in more complex ways. The formalism is based on the idea that physical laws are made up of equations that are connected. By solving these equations, physicists can better understand the physical laws of the universe. This formalism can be used to calculate things like the quantum numbers of particles, or even the interactions between them. The formalism is quite complicated and difficult to understand, so most people just use the equations to do their work rather than trying to understand them!