- Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ] [ by messages with attachments ]

From: George Levy <GLevy.domain.name.hidden>

Date: Thu, 05 Jul 2001 16:46:02 -0700

Hi Bruno and all Everythingers

In my opinion, the concept of first person and third person perspective

is really a special case of a continuum.

A first person observation of an event occurs when the event is 100%

coupled with the continued existence of the observer.

A third person observation of an event occurs when the coupling between

the event and the observer's existence is 0%.

A continuum of possibilities exists between the two. In Tegmark suicide

experiment for example, the observation of the very preliminary phase of

the experiment is third person. The observation of the non-explosion of

the pack of dynamite is first person.

Modifying that experiment slightly, let's say that the detonation of the

deadly explosive is intended if a quantum coin lands tail. Let's say the

the mechanism operates in two steps in rapid non-observable succession

with the following probabilities:.

1) A 50% chance p1 that the electrical circuit fires, which is a

function of the outcome states of the coin. If or when the circuit fires

it generates a visible spark intended to trigger the explosive.

2) A 50% chance p2 that the chemical responds to the spark and

detonates. (because it is (quantum?) wet for example)

Here is the Third Person Perspective:

Coin Head - Probability = (1-p1) = 0.50

Coin Tail => Spark => Non Detonation; Probability = (1-p1)(1-p2) =

0.25

Coin Tail => Spark => Detonation; Probability = (1-p1)p2 = 0.25

The third person probability of live outcome is (1-p1) + (1-p1)(1-p2) =

0.75

The First Person Perspective is obtained by normalizing the third person

probabilities such that the sum of the live outcomes equals 1.

Coin Head => Probability = (1-p1)/((1-p1) + (1-p1)(1-p2)) = 0.50/0.75 =

0.67

Coin Tail => Spark => Non Detonation; Probability = (1-p1)(1-p2)/((1-p1)

+ (1-p1)(1-p2)) = 0.33

Coin Tail => Spark => Detonation; Probability = 0.0

This illustrates the difference in the observations. Observing a spark

with no detonation has a probability of 0.25 for a third person observer

but 0.33 for a first person observer. The spark itself is neither a

first nor third person event. It is in-between.

George

Received on Thu Jul 05 2001 - 16:47:56 PDT

Date: Thu, 05 Jul 2001 16:46:02 -0700

Hi Bruno and all Everythingers

In my opinion, the concept of first person and third person perspective

is really a special case of a continuum.

A first person observation of an event occurs when the event is 100%

coupled with the continued existence of the observer.

A third person observation of an event occurs when the coupling between

the event and the observer's existence is 0%.

A continuum of possibilities exists between the two. In Tegmark suicide

experiment for example, the observation of the very preliminary phase of

the experiment is third person. The observation of the non-explosion of

the pack of dynamite is first person.

Modifying that experiment slightly, let's say that the detonation of the

deadly explosive is intended if a quantum coin lands tail. Let's say the

the mechanism operates in two steps in rapid non-observable succession

with the following probabilities:.

1) A 50% chance p1 that the electrical circuit fires, which is a

function of the outcome states of the coin. If or when the circuit fires

it generates a visible spark intended to trigger the explosive.

2) A 50% chance p2 that the chemical responds to the spark and

detonates. (because it is (quantum?) wet for example)

Here is the Third Person Perspective:

Coin Head - Probability = (1-p1) = 0.50

Coin Tail => Spark => Non Detonation; Probability = (1-p1)(1-p2) =

0.25

Coin Tail => Spark => Detonation; Probability = (1-p1)p2 = 0.25

The third person probability of live outcome is (1-p1) + (1-p1)(1-p2) =

0.75

The First Person Perspective is obtained by normalizing the third person

probabilities such that the sum of the live outcomes equals 1.

Coin Head => Probability = (1-p1)/((1-p1) + (1-p1)(1-p2)) = 0.50/0.75 =

0.67

Coin Tail => Spark => Non Detonation; Probability = (1-p1)(1-p2)/((1-p1)

+ (1-p1)(1-p2)) = 0.33

Coin Tail => Spark => Detonation; Probability = 0.0

This illustrates the difference in the observations. Observing a spark

with no detonation has a probability of 0.25 for a third person observer

but 0.33 for a first person observer. The spark itself is neither a

first nor third person event. It is in-between.

George

Received on Thu Jul 05 2001 - 16:47:56 PDT

*
This archive was generated by hypermail 2.3.0
: Fri Feb 16 2018 - 13:20:07 PST
*