isDoubleCoverOf
P78393
predicate
Indicates that one object serves as a two-to-one covering of another, such that each point or element of the second is covered by exactly two corresponding points or elements of the first.
All labels observed (4)
| Label | Occurrences |
|---|---|
| isDoubleCoverOf canonical | 7 |
| hasDoubleCover | 3 |
| is2FoldCoverOf | 1 |
| isDoubleCoveredBy | 1 |
Description generation (PDg)
The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.
Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning. # Instructions Focus on describing the relationship, not the entities themselves. # Response Format Begin the description with \' Indicates...\'
Input
Predicate: isDoubleCoverOf
Generated description
Indicates that one object serves as a two-to-one covering of another, such that each point or element of the second is covered by exactly two corresponding points or elements of the first.
Sample triples (12)
| Subject | Object |
|---|---|
| SL(2,C) |
Lorentz group
ⓘ
surface form:
SO^+(3,1)
|
| SL(2,C) | proper orthochronous Lorentz group in 3+1 dimensions ⓘ |
|
rotation group SU(2)
surface form:
SU(2)
|
SO(3) NERFINISHED ⓘ |
|
special orthogonal group SO(n)
surface form:
SO(3)
|
SU(2) via predicate surface "isDoubleCoveredBy" NERFINISHED ⓘ |
| orthogonal group O(n+1,2) | Spin(n+1,2)→SO(n+1,2) via predicate surface "hasDoubleCover" ⓘ |
| Spin(2,d) | SO(2,d) NERFINISHED ⓘ |
| Harada–Norton group | 2.HN via predicate surface "hasDoubleCover" NERFINISHED ⓘ |
| Held group | 2.He via predicate surface "hasDoubleCover" ⓘ |
| PSL(2,ℝ) | SO⁺(2,1) NERFINISHED ⓘ |
| metaplectic group | symplectic group NERFINISHED ⓘ |
| SL(2,7) | PSL(2,7) NERFINISHED ⓘ |
| SL(2,7) | PSL(2,7) via predicate surface "is2FoldCoverOf" NERFINISHED ⓘ |