On Mon 21 Mar 2016 at 07:28:07 +0300, Adam Wilson wrote: > You wrote "contraining". I was asking whether you meant "constraining", > or whether "contraining" was some specialised technical vocabulary used > to describe an implied inverse correlation between two historical > trends. > > "Constraining" it is. Each time I looked at the word I saw an 's' in it; amazing what the brain tells you! :) Thanks.