Definition:Surface
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Definition
In the words of Euclid:
(The Elements: Book $\text{I}$: Definition $5$)
and:
(The Elements: Book $\text{XI}$: Definition $2$)
Plane Surface
In the words of Euclid:
- A plane surface is a surface which lies evenly with the straight lines on itself.
(The Elements: Book $\text{I}$: Definition $7$)
The Plane
The plane is the term used for the general plane surface which is infinite in all directions.
