(21) Posted by Jacques Rotenberg [Thursday, Nov 24, 2011 07:35]; edited by Jacques Rotenberg [11-11-24]
Well Uri, yes and not.
All the time we can find a minimum common language on which we agree, it can be called "truth".
About the changes, Hartmut wanted us to agree first if we speak on moves or on mates. I think it's a mix, and that is the difficult point.
Moreover he says that "no serious discussion is needed" about the notion of changed move. I quote his words :
"...We have to discuss and decide indeed if we want to make reference to a move or to a position when we talk about changes. On the other hand, no serious discussion is needed to answer the question when two moves are equal..."