1. LATIN NOTES 71-80
ETYMOLOGY

2. POST HOC, ERGO PROPTER HOC
After this, therefore because of this
Because one thing/event follows another doesn’t mean it was caused by the first event; a fallacy of an argument

3. POST SCRIPTUM (P.S.)
After writing
Additional text after completing the main body

4. PRO BONO (PUBLICO)
For (the public) good
Legal or medical work done without charge

5. PRO FORMA
For form
Follow formalities; go through the motions in a perfunctory way

6. QUOD ERAT DEMONSTRANDUM (Q.E.D)
#101 in booklet
Which was to be demonstrated
To show conclusively through a demonstration of evidence

7. QUID PRO QUO
Something for something
An even exchange; You scratch my back, I’ll scratch yours

8. QUORUM
Of whom
Minimum number of people required in order to conduct official business

9. RARA AVIS
Rare bird
One of a kind

10. REQUIESCAT IN PACE (R.I.P.)
May s/he rest in peace
Check out some old timey tombstones

11. SANCTUM SANCTORUM
Holy of Holies
Place of inviolable privacy; where no one should interrupt you

12. SEMPER FIDELIS
Always faithful
Motto of US Marine Corps (often abbreviated as “semper fi”)