What does QED mean in Outlander?

Related questions

1. What does ie stand for in text?
2. What was to be proven?
3. Why do we have to learn proofs?
4. What are the three types of proofs?
5. Whats the full meaning of QED?
6. What was to be shown?
7. What does QEF stand for?
8. What is a blue pencil official?
9. What does the black square mean?
10. What does proof mean in math?

Tags

1. #demonstrated
2. #which
3. #loosely
4. #fubar
5. #phrase
6. #latin
7. #stands
8. #means
9. #crude
10. #abbreviation
11. #about
12. #snafu
13. #really
14. #shown
15. #known
16. #demonstrandum