Equation 28 · A Reference Frame Becomes Classical by Publishing Its Orientation
What does this equation mean?
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everything except fragment F , including the remaining environment. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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Symbol bar F
everything except fragment F , including the remaining environment.
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What the article says around this equation
This equation defines what the observer receives. is everything except fragment F , including the remaining environment; =U in a closed unitary model. The trace is not an assertion that the discarded systems cease to exist. It says the fragment observer has no access to them.
Sources cited in the article section
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