ABSTRACT
We take a countably infinite product R ∞ of copies of R, and consider the vectors E 0 = ( 0 , 0 , … , 0 , … ) , E 1 = ( 1 , 0 , … , 0 , … ) , E 2 = ( 0 , 1 , … , 0 , … ) , etc . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429502408/295d3acc-dfa3-4421-a2d3-a9c22ffb681c/content/eq141.tif"/>
