P vs R

P

• The sixteenth letter of the English alphabet, called pee and written in the Latin script. 

• The set of all problems that are solvable in polynomial time by a deterministic Turing machine 

• A P wave on an electrocardiogram. 

R

• The eighteenth letter of the English alphabet, called ar and written in the Latin script. 

• right (as opposed to left) 

• reverse 

• restricted 

• In the context of the documentary hypothesis, the Redactor(s) who compiled and edited the Torah. 

• rex (“king”) or regina (“queen”); the initial by which a British monarch signs documents after his or her name 

• the Crown, the government of a monarchy (abbreviating rex (“king”) or regina (“queen”)) 

• rook 

• Thursday 

• Republican 

• ring 

• runs, the statistic reporting the number of runs scored by a player 

• radius