Deletion of Twin concepts

Comment: Vakeger, arguments in Articles for Deletion discussions usually proceed on the basis of Wikipedia policy and related essays and opinion pieces, which are found in the Wikipedia: amespace|namespace and are referenced with links like |this one, rather than by cut-and-pasted definitions drawn from the main namespace. As they stand, your arguments against deletion are somewhat incoherent, partly due to this approach
Stance: comment
Cited policy: Wikipedia:Notability (WP:N||WP:IAR)