Sunday, 26 November 2006

Call by Name (CBN) is dual to Call By Value (CBV)

Probably one of the best papers I've read on the relationship between CBN, CBV and the Curry-Howard correspondance is the paper Call-by-value is dual to call-by-name by Wadler. The calculus he develops for describing the relationship shows an obvious schematic duality that is very visually appealing. After reading the paper that I mentioned earlier on Socially Responsive, Environmentally Friendly Logic (which shall henceforth be called SREF Logic), it struck me that it would be interesting to see what a CPS (Continuation-passing Style) like construction looks like in SREF logic, so I went back to the Wadler paper to see if I could figure out how to mimic the technique for multi-player logic. It looks like the formulation by Wadler comes out directly by thinking about logic as a two player game! I'm excited to see what happens with n-player logic. This has been a big diversion from what I'm actually suppose to be working on but I didn't want to forget about it :).

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