Reichenbach epsilon
E886591
Reichenbach epsilon is a parameter introduced by Hans Reichenbach to characterize the conventional freedom in defining simultaneity and clock synchronization in special relativity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Reichenbach epsilon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10803517 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Reichenbach epsilon Context triple: [Reichenbach synchronization schemes, usesParameter, Reichenbach epsilon]
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A.
Epsilons
Epsilons was a California garage rock and punk band known for its raw, lo-fi sound and for featuring Ty Segall early in his career.
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B.
Ehrenfest
Ehrenfest is a surname most notably associated with Austrian-Dutch physicist Paul Ehrenfest, known for his contributions to statistical mechanics and quantum theory.
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C.
Epsilon
Epsilon is the fifth letter of the Greek alphabet, commonly used in mathematics and science to denote small quantities or error terms.
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D.
Epsilon
Epsilon is a major marketing and data analytics company known for its customer relationship management, data-driven marketing solutions, and digital advertising services.
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E.
Ehrenstein
Ehrenstein is a locality or district that forms part of the municipality of Blaustein in the state of Baden-Württemberg, Germany.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Reichenbach epsilon Target entity description: Reichenbach epsilon is a parameter introduced by Hans Reichenbach to characterize the conventional freedom in defining simultaneity and clock synchronization in special relativity.
-
A.
Epsilons
Epsilons was a California garage rock and punk band known for its raw, lo-fi sound and for featuring Ty Segall early in his career.
-
B.
Ehrenfest
Ehrenfest is a surname most notably associated with Austrian-Dutch physicist Paul Ehrenfest, known for his contributions to statistical mechanics and quantum theory.
-
C.
Epsilon
Epsilon is the fifth letter of the Greek alphabet, commonly used in mathematics and science to denote small quantities or error terms.
-
D.
Epsilon
Epsilon is a major marketing and data analytics company known for its customer relationship management, data-driven marketing solutions, and digital advertising services.
-
E.
Ehrenstein
Ehrenstein is a locality or district that forms part of the municipality of Blaustein in the state of Baden-Württemberg, Germany.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
conventionality parameter
ⓘ
philosophy of physics concept ⓘ synchrony parameter ⓘ |
| appearsInEquation | t_B = t_A + ε (t_A' − t_A) ⓘ |
| appliesTo | inertial reference frames ⓘ |
| associatedWith |
conventionality of simultaneity debate
ⓘ
philosophy of space and time ⓘ |
| assumes | isotropy of two-way light speed ⓘ |
| characterizes |
conventional freedom in clock synchronization
ⓘ
conventional freedom in defining simultaneity ⓘ |
| contrastsWith | unique, non-conventional simultaneity ⓘ |
| defines | time assigned to a distant event via light-signal synchronization ⓘ |
| dependsOn | choice of simultaneity convention ⓘ |
| doesNotAffect | two-way speed of light ⓘ |
| formalizes | freedom in defining distant simultaneity ⓘ |
| hasSymbol | ε ⓘ |
| historicalContext | 20th-century discussions of relativity foundations ⓘ |
| introducedBy | Hans Reichenbach ⓘ |
| isConventional | true ⓘ |
| isDimensionless | true ⓘ |
| motivatedBy | empirical underdetermination of one-way light speed ⓘ |
| relatedConcept |
Edwards–Winnie synchrony
ⓘ
gauge freedom in time coordinate choice ⓘ |
| relatesTo |
Einstein synchrony convention
ⓘ
linked to:
Einstein synchronization convention
one-way speed of light ⓘ |
| standardValueInEinsteinConvention | 1/2 ⓘ |
| usedBy |
philosophers of physics
ⓘ
relativists ⓘ |
| usedInTheory | special relativity ⓘ |
| valueRange | 0 ≤ ε ≤ 1 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Reichenbach epsilon Description of subject: Reichenbach epsilon is a parameter introduced by Hans Reichenbach to characterize the conventional freedom in defining simultaneity and clock synchronization in special relativity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.