Wikipedia:Articles for deletion/Constitutional hardball
It seems like  has not been performed, a quick look in Google Books shows plenty of sources https://www.google.com/search?tbs=bks:1&q=%22Legal+syllogism%22+-wikipedia, ditto in Google Scholar - https://scholar.google.com/scholar?q=%22Legal+syllogism%22. Should easily pass 
— User:Hzh, 01:44, 17 January 2019 (UTC)
Stance: keep
Cited policy: WP:BEFORE||WP:GNG (Wikipedia:Articles for deletion)