## Proceedings of the International School of Physics "Enrico Fermi.", Volume 72N. Zanichelli, 1979 - Nuclear physics |

### From inside the book

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Page 31

The

absence of superselection rules the ... The operations do not play a very explicit

role , but can be associated to the measurement of an

The

**observables**of the system correspond to self - adjoint operators in H ( in theabsence of superselection rules the ... The operations do not play a very explicit

role , but can be associated to the measurement of an

**observable**with given ...Page 302

apparatus like , for example , the position of the pointer , and that the way to

distinguish one kind of

on the apparatus . Mathematically , this leads to characterize an

an ...

apparatus like , for example , the position of the pointer , and that the way to

distinguish one kind of

**observable**from another is to study the group which actson the apparatus . Mathematically , this leads to characterize an

**observable**byan ...

Page 345

and it is possible to identify proposition p with the set { u : P ( u , Q ) ( E ) = 1 } or

else identify state u with the set { Plu , Q ) : Q is an

provide a representation of the quantum logic . Succinctly : those aberrant

quantum ...

and it is possible to identify proposition p with the set { u : P ( u , Q ) ( E ) = 1 } or

else identify state u with the set { Plu , Q ) : Q is an

**observable**) , in order toprovide a representation of the quantum logic . Succinctly : those aberrant

quantum ...

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### Contents

Gradual infiltration of probabilitys laws into physical sciences | 1 |

Statistical fluctuations | 10 |

Introduction | 21 |

Copyright | |

24 other sections not shown

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### Common terms and phrases

according additive appear applied approach argument assume atoms Borel called classical closed complete concept consider constant corresponding countable course defined definition derived described determined dialog discussion distribution dynamics edited effect elementary elements energy equal equation equivalent example exists experiment expressed fact field final finite formal frequency function geometry give given Hence implies initial interpretation lattice limit logical mass material mathematical means measurement motion natural observable obtain operator particle particular Phys physical positive possible precision present principle probability problem proof propositions proved quantity quantum mechanics question reason refer relation relative represented requirement respect result rules satisfies sense sequence space space-time special relativity statistical structure theorem theory transformation turn unit Universe vector