When are two minds the same?

I’ve been contemplating the nature of consciousness and identity. It’s been fueled by reading much lately on parallel universes and artificial intelligence. One question has been top of mind: what makes two minds the same? (If you have some good articles or books addressing this, please post them in the comments.) Here’s the thought experiment. […]

Philosophical conundrums of the multiverse

Some physicists theorize that parallel universes exist. Brian Greene, for example, describes nine types. Max Tegmark has defined four levels. Parallel universes remain unproven. But the many ways they may manifest suggests a reasonable probability they’re real. And if they are, there may be an infinite number of them. Let’s assume even one type of […]