Definition:Unit

Disambiguation

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Unit may refer to:

• Arithmetic and so on:
  • Numbers: An instance of the number $1$ (one).

• Abstract Algebra:
  • Unit of Ring

• Set Systems:
  • Unit of System of Sets.

• Set Theory:
  • Unit set: another word for singleton

• Algebras:
  • Unit of a unitary algebra

The concepts are related: it is apparent that the unit of an algebra of sets $\SS$ is the unity of $\SS$ considered as a ring $\struct {\SS, *, \cap}$.

Unit may also refer to:

• Unit of Measurement: A definite magnitude of a physical quantity which is agreed by convention.

• Experimental Unit: A subject of an experimental design to which a treatment is to be applied.

Also known as

In older writings, a unit is often rendered as an unit; the rules of grammar have since evolved.

Also see

• Definition:Unity

• Results about units can be found here.