The title works on multiple levels, drawing from both logic and literature:
You can find more detailed production notes and fan reviews on the Non Sequitur (episode) - Memory Alpha wiki or official series overviews at StarTrek.com. [S2E5] Non Sequitur
: In this timeline, Kim was never assigned to Voyager ; he is a design engineer working at Starfleet Headquarters. He has a beautiful fiancée, Libby, and a prestigious career, yet he remembers every detail of his "real" life on the ship. The title works on multiple levels, drawing from
: In formal logic, a non sequitur is an argument where the conclusion does not follow from the premises. Harry Kim's current life is a "logical leap" that makes no sense based on his actual memories. : In formal logic, a non sequitur is
: Kim's attempts to explain his situation lead Starfleet Security to suspect him of being a Maquis spy. He eventually discovers that a "time-stream" accident involving a shuttlecraft caused him to switch places with his counterpart in this timeline.
In this episode, wakes up in a reality entirely different from the one he knows. Instead of being stranded in the Delta Quadrant aboard the USS Voyager , he finds himself in 24th-century San Francisco.
: With the help of Cosimo , an alien who watches over these time-streams, and Tom Paris —who in this reality is a disgraced civilian—Kim must find a way to recreate the accident to return to his proper place on Voyager . The Meaning of the Title