> possible microstates Conditional on the known macrostate. Because we don’t know the precise microstate - only which microstates are possible. If your reason

> possible microstates Conditional on the known macrostate. Because we don’t know the precise microstate - only which microstates are possible. If your reasoning is that « experimental entropy can be measured so it’s not about that » then it’s not about macrostates and microstates either!