Wikipedia:Articles for deletion/Introduction to special relativity
strong policy-based reasons for {{u|Mark viking}}): An article with this title should be '''about''' introductions to special relativity, and sourced as such. Introductions to special relativity are nowhere mentioned. So it is not an article about introductions to special relativity. It is a personal essay, and thus a schoolbook example of wp:OR and wp:SYNTH. And it is rather poorly written, as abundantly evidenced at Talk:Introduction_to_special_relativity#Merge_analysis. And of course, more policy-based reasons at 
— User:DVdm, 18:34, 18 June 2015 (UTC)
Stance: delete
Cited policy: WP:NOTTEXTBOOK (Wikipedia:What Wikipedia is not)