[r-t] Delta-based transposition representation

Glenn Taylor gaataylor at blueyonder.co.uk
Fri Jun 10 06:43:11 UTC 2016

---Alan wrote:
A while ago I wrote some code to expand place notation to the 
corresponding blue line numbers.   Etc.


I don't know what you mean by "blue line numbers". Is this somehow related
to Seagar's Blue Line Proof process, or is it to do with converting rows to
their index numbers for proof purposes? Or neither?



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