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

### From inside the book

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Page 150

The purpose of the operational definition of a

as possible, 1) that we know what ... We hardly believe that dispensing with the

operational definition of

The purpose of the operational definition of a

**physical quantity**is to ensure, as faras possible, 1) that we know what ... We hardly believe that dispensing with the

operational definition of

**physical quantities**can help to overcome the difficulties.Page 152

Let us now select a pair of quantities Q,,Qz, referring to two different classes E1, E

„ of physical systems, such that ^01,= 0. ... respect to 1=1^1., We are now in a

position to formulate a generalized operational definition of a

Let us now select a pair of quantities Q,,Qz, referring to two different classes E1, E

„ of physical systems, such that ^01,= 0. ... respect to 1=1^1., We are now in a

position to formulate a generalized operational definition of a

**physical quantity**.Page 164

2'i) and each Q, (0<i<w) representing a

least in a subset of 8 ('); e) q is a function which associates a mathematical

interpretation in Me to the terms of the operational part of M. A physical structure

such ...

2'i) and each Q, (0<i<w) representing a

**physical quantity**, operationally defined atleast in a subset of 8 ('); e) q is a function which associates a mathematical

interpretation in Me to the terms of the operational part of M. A physical structure

such ...

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### Contents

E Amaldi Radioactivity a pragmatic pillar of probabilistic | 1 |

Statistical fluctuations | 10 |

Final remarks | 21 |

Copyright | |

24 other sections not shown

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3-geometry algebra applied assertion atoms axioms Boolean Borel field Borel sets calculus concept conditional probability conditionalization consider corresponding countable course defined definition denote derived deterministic dialog dialog-game disjoint dynamics edited Einstein elements equation equivalent exists experiment finite formal function geometry given Gleason's theorem Hence Hilbert space implies induction initial interaction interpretation irreversible Journ linear magnitude Math mathematical means Neumann non-Boolean notion observable orthogonal orthomodular lattice particle photon Phys physical quantity physical system physical theories physicists positive precision probabilistic probability measure probability space probability theory problem procedure quantum logic quantum mechanics quantum theory quantum-logical question radioactive random variable real numbers relation relative frequency relf represented respect result rule sequence space-time special relativity spin statistical operator subset subspace superspace theorem tion transformation truth universal constants vector velocity von Neumann algebra zero