[Avodah] Pirsumei Nisa

[David Riceman]

RAM:
> : I'd like to get to better understanding of the concept of Pirsumei
> : Nisa. I know for example that it applies to three mitzvos: Ner Chanukah,
> : Mikra Megillah, and Arba Kosos.
>   
RMB:
> As for the question about how the 4 cups actually qualify as pirsumei
> nisa to begin with, it is discussed in "The Brisker Hagaddah", not that
> I recall the answer nor know where I put it with the Pesach stuff.
>   
I don't recall hearing arba kosos related to pirsumei nisa.  I have an 
earlier edition of the Brisker Haggadah, but I dug it out and didn't 
find anything.  Is there an older and (I hope the Briskers on the list 
will pardon my terminology) less speculative source?

David Riceman