👉 Non-retractility, also known as non-reversible or infeasible behavior, refers to a property of a system where the state of the system cannot be changed without causing irreversible changes. In other words, if a system has a property that prevents it from changing its state once it is already in a certain state, then it is considered non-retractile. This means that if something can't change its state without causing irreversible consequences, it's not reversible or impossible to alter the state of
