Determinism is the doctrine that the universe is to some extent, in some way, determinate.
I want to consider some of the ways in which this might be the case. First, an extreme case. If we accept the notion of a proposition, and accept that the truth value of a proposition is timeless, then in some very weak sense the universe might be said to be completely determinate. Usually we would get a bit more window dressing. If something is going to happen then it is true now and allways has been true that it will happen.