[Haskell-cafe] meaning of "referential transparency"

[Roman Cheplyaka]

* Henning Thielemann <lemming at henning-thielemann.de> [2013-04-06 19:43:45+0200]
> 
> Can someone enlighten me about the origin of the term "referential
> transparency"? I can lookup the definition of "referential
> transparency" in the functional programming sense in the Haskell Wiki
> and I can lookup the meaning of "reference" and "transparency" in a
> dictionary, but I don't know why these words were chosen as name for
> this defined property.

There has been a long discussion of RT a couple of years ago (?), which
originated at StackOverflow and moved to cafe. I'd enjoy re-reading it
if someone digs it up...

Roman