Three types of time travel.
According to my high school philosophy teacher the first one matched St Augustine theory about free will and Godly sight too.
You have complete freedom of actions but everything is already written, and the two ideas can coexist because, being a mortal being, you can only see one part of the whole picture that God can perceive completely instead.
This left me with a deep anxiety. Tons of anxiety. I still suffer from restless sleep.
Esiste anche una quarta versione, il multiverso probabilistico, in cui ad ogni salto indietro corrisponde si una diversa linea temporale, ma non tutte le linee temporali hanno la stessa probabilità di sopravvivenza. Alcune possono collassare su se stesse, smettendo semplicemente di esistere.
As seen in: Continuum