SmallCircle
 Usage
 \[SmallCircle]
Notes
• Alias:  sc. • Infix operator. • x  y is by default interpreted as SmallCircle[x, y]. • Used to indicate function composition. • Not the same as the letter-like form \[EmptyCircle] . • Not the same as \[Degree] . • See Section 1.10.8 and Section 3.10.4. • See also: \[FilledCircle] , \[CircleDot] , \[CircleTimes] .
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