LIMIT OF A SEQUENCE: THEOREMS 115. 4.3 Limit of a Sequence: Theorems. These theorems fall in two categories. The ârst category deals with ways to. combine sequences. Like numbers, sequences can be added, multiplied, divided, ... Theorems from this category deal with the ways sequences can be combined.
 We Really Shouldn't Be Doing This  is a song written by Jim Lauderdale, and recorded by American country music artist George Strait.It was released in September 1998 as the third and final single from his album One Step at a Time. It peaked at number 4 in the United States, and number 2 in Canada.im Lauderdale told Taste of Country that the song came to him when he was living in Nashville. He was living in Buddy and Julie Miller âs apartment above their house.
 Leaving on a Jet Plane  is a song written by John Denver in 1966 and most famously recorded by Peter, Paul and Mary.The original title of the song was Babe, I Hate to Go but Denver's then producer Milt Okun convinced him to change the title. The song prompted litigation involving the British group New Order. 2  The band's single  Run 2  (1989) was the subject of a lawsuit brought by John Denver, who argued that its wordless guitar break was based on his Leaving on a Jet Plane.