%ما هو (من)٪ 1 - تعريف
T1 space
TOPOLOGICAL SPACE IN WHICH ALL SINGLETON SETS ARE CLOSED
Accessible space; R0 space; T1 topology; Accessible topology; Frechet topology; Fréchet topology; R0 topology; Symmetric topology; T1 Space; T1-space; T1-separation axiom; T1 separation axiom; T₁ space; T1 axiom
In topology and related branches of mathematics, a T1 space is a topological space in which, for every pair of distinct points, each has a neighborhood not containing the other point.Arkhangel'skii (1990).
Thoracic spinal nerve 1
NERVE EMERGING FROM THE VERTEBRAE
Nervus spinalis T1
The thoracic spinal nerve 1 (T1) is a spinal nerve of the thoracic segment.American Medical Association Nervous System -- Groups of Nerves
space
![A right-handed three-dimensional [[Cartesian coordinate system]] used to indicate positions in space<!--(See diagram description for needed correction.)-->](https://commons.wikimedia.org/wiki/Special:FilePath/3D coordinate system.svg?width=200 "A right-handed three-dimensional [[Cartesian coordinate system]] used to indicate positions in space<!--(See diagram description for needed correction.)-->")
GENERAL FRAMEWORK
Physical space; Space (philosophy); Space (physics); Space (astronomy); Three-Space; Astrophobia; Draft:Space; Geographical space
