We noticed that the signage looked funny and Sue nailed it - they saved all the old letters that they could and all the brighter letters were the new ones they had to buy. That is, the R, A, A are from Ramada and EXPRESS is the same, while the T, O, P, I C, and N are ...
Throughout, calligraphic letters denote a finite alphabet, e.g., 𝒮S, lower case letters denote symbols, s, while boldface denotes sequences, 𝐬s. It will be beneficial to denote phrases, short sequences of symbols, with a capital letter, e.g., S. 2.1. Classification and Anomaly Dete...