Question: Lists and `/`: Why is does the output depend on the type of the divisor

Only for my understanding. In the following I need to use expand to apply division to list elements when the divisor is a name:

[a, b]*(1/2)

[(1/2)*a, (1/2)*b]


[a, b]/c

[a, b]/c


expand([a, b]/c)

[a/c, b/c]



Does in this case automatic simplification make a difference between numbers and names? (Probably this is explained somewhere.)


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