Re: Do we live in a (computer) simulation?

On 22 Mar 2017, at 13:22, David Nyman wrote: On 20 March 2017 at 16:34, Bruno Marchal wrote: That is why I say that, with or without computationalism, the physical reality cannot be emulated by a computer. The universe cannot be a program, if a program can sustain my

Re: Do we live in a (computer) simulation?

On 20 March 2017 at 16:34, Bruno Marchal wrote: That is why I say that, with or without computationalism, the physical > reality cannot be emulated by a computer. The universe cannot be a program, > if a program can sustain my consciousness. > ​Isn't the UD a program? Ah, but

Re: Do we live in a (computer) simulation?

On 16 Mar 2017, at 11:35, Telmo Menezes wrote: I think that the important insight that people miss is this: if computationalism is true, then it is nonsensical to ask if we are in a computer simulation or not. The answer could be: "both". The relevant answer is: "it doesn't matter". Bruno's

Re: Do we live in a (computer) simulation?

On 16 Mar 2017, at 00:42, Brent Meeker wrote: "Emulated" would mean we're "really" computed somewhere else. Emulation is just a 100% exact simulation. That notion makes sense in the digital frame, and indeed the Universal Dovetailer (alias the true sigma_1 sentences) emulates everything

Re: Do we live in a (computer) simulation?

On 16 Mar 2017, at 00:41, Brent Meeker wrote: I think Sabine is wrong when she says that one must use qubits to compute the universe. Anything computable by a quantum computer is computable by a classical (Church-Turing) computer, with the penalty of an exponential slowup. Sabine makes

Re: Do we live in a (computer) simulation?

On 15 Mar 2017, at 22:57, Bruce Kellett wrote: Sabine Hossenfelder has an interesting blog post about the popular idea that we are living in a simulation created by some super- intelligence somewhere. She is not impressed with the idea http://backreaction.blogspot.com/2017/03/ I think

Re: Do we live in a (computer) simulation?

I think that the important insight that people miss is this: if computationalism is true, then it is nonsensical to ask if we are in a computer simulation or not. The answer could be: "both". The relevant answer is: "it doesn't matter". Bruno's thought experiment with the teleportation machines

Re: Do we live in a (computer) simulation?

Here is recent paper on testing for a sim universe- http://www.ijqf.org/wps/wp-content/uploads/2017/03/IJQF-3888.pdf -Original Message- From: Brent Meeker <meeke...@verizon.net> To: everything-list <everything-list@googlegroups.com> Sent: Wed, Mar 15, 2017 7:42 pm Subjec

Re: Do we live in a (computer) simulation?

"Emulated" would mean we're "really" computed somewhere else. Brent On 3/15/2017 3:28 PM, Kim Jones wrote: Where does Bruno say we are living in a simulation? He says we are more likely emulated. K On 16 Mar 2017, at 8:57 am, Bruce Kellett wrote: Sabine

Re: Do we live in a (computer) simulation?

On 16/03/2017 9:28 am, Kim Jones wrote: Where does Bruno say we are living in a simulation? He says we are more likely emulated. Explain to me how being emulated in the universal dovetailer is different from being simulated by a computer. Bruce K On 16 Mar 2017, at 8:57 am, Bruce

Re: Do we live in a (computer) simulation?

I think Sabine is wrong when she says that one must use qubits to compute the universe. Anything computable by a quantum computer is computable by a classical (Church-Turing) computer, with the penalty of an exponential slowup. Sabine makes some good points, one of which I've tried to make with

Re: Do we live in a (computer) simulation?

Where does Bruno say we are living in a simulation? He says we are more likely emulated. K On 16 Mar 2017, at 8:57 am, Bruce Kellett wrote: > > Sabine Hossenfelder has an interesting blog post about the popular idea that > we are living in a simulation created by