Reality+: virtual worlds and the problems of philosophy

Introduction: Adventures in technophilosophy

Part 1: Virtual worlds. Is this the real life?

What is the simulation hypothesis?

Part 2: Knowledge. Do we know things?

Can we prove there is an external world?

Is it likely that we're in a simulation?

Part 3: Reality. What is reality?

Is God a hacker in the next universe up?

Is the universe made of information?

Did simulation create its from bits?

Part 4: Real virtual reality. Do virtual reality headsets create reality?

Are virtual reality devices illusion machines?

Does augmented reality lead to alternative facts?

Can we avoid being deceived by deepfakes?

Part 5: Mind. How do mind and body interact in a virtual world?

Can there be consciousness in a digital world?

Does augmented reality extend the mind?

Part 6: Value. Can you lead a good life in a virtual world?

Do simulated lives matter?

How should we build a virtual society?

Part 7: Foundations. What do our words mean in virtual worlds?

Do dust clouds run computer programs?

Is reality a mathematical structure?

Have we fallen from the Garden of Eden?

Are we Boltzmann brains in a dream world?