Mr. Right & Mr. Wrong: One Down & Two to Go Mr. Right & Mr. Wrong: One Down & Two to Go Mr. Right & Mr. Wrong: One Down & Two To Go is a compilation album by Nomeansno. After the departure of long-time guitarist Andy Kerr, the group's lineup stood simply as a two-piece (brothers Rob and John Wright) at the time of the album's recording. The tracks on the album are culled from three sources – five songs (tracks 4, 6, 12, 15 and 16) from home demos dating from 1979-1980, four outtakes (3, 5, 7 and 9) from the 1993 "Why Do They Call Me Mr. Happy?" album,
Word (group theory) product of two words is obtained by concatenation: Even if the two words are reduced, the product may not be. The inverse of a word is obtained by inverting each generator, and switching the order of the elements: The product of a word with its inverse can be reduced to the empty word: You can move a generator from the beginning to the end of a word by conjugation: Given a presentation formula_19 for a group "G", the word problem is the algorithmic problem of deciding, given as input two words in "S", whether they represent the same element of