"P v Q" is best interpeted as

If you want expert help, then please type the school subject into the appropriate box.

http://www.google.com/#sclient=psy&hl=en&source=hp&q=p+v+q+is+best+interpreted+as&pbx=1&oq=P+v+Q&aq=2&aqi=g4g-s1&aql=&gs_sm=c&gs_upl=342462l342462l0l344584l1l1l0l0l0l0l166l166l0.1l1l0&bav=on.2,or.r_gc.r_pw.&fp=116a3ca570808e30&biw=853&bih=544