Are ***look down on*** and ***look down at*** synonymous? They are when referring to dictionaries, but I'd like to know the subtle difference between them.

> 
> The ancient Greeks used to describe two very different ways of
> thinking — *logos* and *mythos*. *Logos* roughly referred to the world
> of the logical, the empirical, the scientific. *Mythos* referred to
> the world of dreams, storytelling and symbols. Like many rationalists
> today, some philosophers of Greece prized *logos* and ***looked down
> at*** *mythos*. Logic and reason, they concluded, make us modern;
> storytelling and mythmaking are primitive. But lots of scholars then
> and now — including many anthropologists, sociologists and
> philosophers today — see a more complicated picture, where *mythos*
> and *logos* are intertwined and interdependent. Science itself,
> according to this view, relies on stories. The frames and metaphors we
> use to understand the world shape the scientific discoveries we make;
> they even shape what we see. When our frames and metaphors change, the
> world itself is transformed. The Copernican Revolution involved more
> than just scientific calculation; it involved a new story about the
> place of Earth in the universe.
> 
> 
> 

[Useful Delusions: The Power and Paradox of the Self-Deceiving Brain](https://books.google.co.kr/books?id=66G6DwAAQBAJ&pg=PT57&lpg=PT57&dq=Mythos%20referred%20to%20the%20world%20of%20dreams,%20storytelling%20and%20symbols.%20Like%20many%20rationalists%20today,%20some%20philosophers%20of%20Greece%20prized%20logos%20and%20looked%20down%20at%20mythos.%20Logic%20and%20reason,%20they%20concluded,%20make%20us%20modern;%20storytelling%20and%20mythmaking%20are%20primitive.&source=bl&ots=IHCzwJQJIq&sig=ACfU3U2TPC7cppcyzG301Ap2q-h2KEvWiA&hl=en&sa=X&ved=2ahUKEwiwhunMl_b8AhXos1YBHWN0AVwQ6AF6BAghEAM#v=onepage&q=Mythos%20referred%20to%20the%20world%20of%20dreams%2C%20storytelling%20and%20symbols.%20Like%20many%20rationalists%20today%2C%20some%20philosophers%20of%20Greece%20prized%20logos%20and%20looked%20down%20at%20mythos.%20Logic%20and%20reason%2C%20they%20concluded%2C%20make%20us%20modern%3B%20storytelling%20and%20mythmaking%20are%20primitive.&f=false)