On 10 Jun 2015, at 14:41, Quentin Anciaux wrote:



2015-06-10 14:11 GMT+02:00 Bruce Kellett <bhkell...@optusnet.com.au>:
Quentin Anciaux wrote:
2015-06-10 13:40 GMT+02:00 Bruce Kellett <bhkell...@optusnet.com.au Quentin Anciaux wrote:

        Then the computation will be in the mapping which is the
        interpreter... the rock itself is missing the machine
        interpreting the state and relating all the sequence of states
        of the rock... The rock and the interpreter is a computation,
        the rock alone is not.

    What is the interpreter in Platonia?

The transition function relating the states.

A computation is not a sequence of states, it is a sequence of states and the relation between them.

The relation between them is given by the sequence order. You are the one who 'interprets' that sequence, gives it meaning.

So a computer computing without us, is not computing....

The mapping is what makes the interpretation. A computation is a sequence of state + a transition table relating the states.

Yes, and the mapping is defined, and implemented in arithmetic by the universal number.


As you can map the rock states with an adhoc mapping to any computations, it doesn't mean the rock computes everything, it just means the rock states are not enough, you forget the mapping ie: the interpreter. The rock on itself could compute anything, but relatively to you, it can compute meaningfully only if you have the correct mapping... and if to produce such a mapping that would make sense relatively to you, it asks you to do the computation you want to map to the rock states... in what sense can you say the rock is computing relatively to you in any meaningful sense ?

It is weird that John Clark does not intervene here to say that Bruce Kellet would be a millionaire if he was able to make a rock computing ... Well, I guess it is not weird, as Bruce seems to have also that typical negative tone of those who criticizing without studying. Why people does that is beyond my comprehension, but I am interested, as this is rather frequent (with humans).

Bruno




Quentin



Bruce

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