Question: David Kellogg Lewis (September 28, 1941 - October 14, 2001) was an American philosopher. Lewis taught briefly at UCLA and then at Princeton from 1970 until his death. He is also closely associated with Australia, whose philosophical community he visited almost annually for more than thirty years. He made contributions in philosophy of language, philosophy of mind, philosophy of probability, metaphysics, epistemology, philosophical logic, and aesthetics.

Lewis went on to publish Counterfactuals (1973), which contained an analysis of Counterfactual conditionals in terms of the theory of possible worlds. He had already proposed it in some of his earlier papers: "Counterpart Theory and Quantified Modal Logic" (1968), "Anselm and Actuality" (1970), and "Counterparts of Persons and their Bodies" (1971). In spite of significant technical advantages promised by this approach, the theory was widely considered to be too implausible to be taken literally, as Lewis urged it should be. Most often the idea that there exists an infinite number of causally isolated universes, each as real as our own but different from it in some way, and that furthermore that alluding to objects in this universe as necessary in order to explain what makes certain counterfactual statements true but not others, meets with what Lewis calls the "incredulous stare" (Lewis, OPW, 2005, pg. 135-137). Lewis defends and elaborates his theory of extreme modal realism, while insisting that there is nothing extreme about it, in On the Plurality of Worlds (1986). Lewis acknowledges that his theory is contrary to common sense, but believes that its advantages far outweigh this disadvantage, and that therefore we should not be hesitant to pay this price. According to Lewis, what makes a counterfactual conditional of the form "Had I made that shot our team would have won the game." true is that there is a world, as concrete as ours and significantly similar to it, in which my counterpart makes rather than misses the shot and the counterpart of our team wins the game. Had there been a world even more similar to ours in which my counterpart makes the shot but the counterpart of our team still loses the counterfactual would have been false. When we speak of counterfactual possibilities we speak of what is the case in some possible world or worlds. According to Lewis, "actual" is merely an indexical label we give to a world when we locate ourselves in it. Things are necessarily true when they are true in all possible worlds. (Note that Lewis is not the first one to speak of possible worlds in this context. Leibniz and C.I. Lewis, for example, both speak of possible worlds as a way of thinking about possibility and necessity, and some of David Kaplan's early work is on the counterpart theory. Lewis's original suggestion was that all possible worlds are equally concrete, and the world in which we find ourselves is no more real than any other possible world.)

Using a quote from the above article, answer the following question: Did David Lewis have any of his philosphies published?
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Answer: Lewis went on to publish Counterfactuals (1973),

Question: Recep Tayyip Erdogan (Turkish pronunciation: [re'dZep taj'jip 'aerdo(W)an] ( listen); born 26 February 1954) is a Turkish politician serving as the current President of Turkey, holding the position since 2014. He previously served as Prime Minister from 2003 to 2014 and as Mayor of Istanbul from 1994 to 1998. He founded the Justice and Development Party (AKP) in 2001, leading it to general election victories in 2002, 2007 and 2011 before standing down upon his election as President in 2014.

Erdogan was born in 1954 in the Kasimpasa neighborhood of Istanbul, to which his family had moved from Rize Province. His parents are Ahmet Erdogan and Tenzile Erdogan. Erdogan reportedly said in 2003, "I'm a Georgian, my family is a Georgian family which migrated from Batumi to Rize." But in a 2014 televised interview on the NTV news network, he said, "You wouldn't believe the things they have said about me. They have said I am Georgian... forgive me for saying this... even much uglier things, they have even called me an Armenian, but I am Turkish." In an account based on registry records, his genealogy was tracked to an ethnic Turkish family. Erdogan spent his early childhood in Rize, where his father Ahmet Erdogan (1905 - 1988) was a Captain in the Turkish Coast Guard. Erdogan had a brother Mustafa (b. 1958) and sister Vesile (b. 1965). His summer holidays were mostly spent in Guneysu, Rize, where his family originates from. Throughout his life he often returned to this spiritual home, and in 2015 he opened a vast mosque on a mountaintop near this village. The family returned to Istanbul when Erdogan was 13 years old. As a teenager, he sold lemonade and sesame buns (simit) on the streets of the city's rougher districts to earn extra money. Brought up in an observant Muslim family, Erdogan graduated from Kasimpasa Piyale primary school in 1965, and Imam Hatip school, a religious vocational high school, in 1973. He received his high school diploma from Eyup High School. He subsequently studied Business Administration at the Aksaray School of Economics and Commercial Sciences, now known as Marmara University's Faculty of Economics and Administrative Sciences--although several Turkish sources dispute that he graduated. In his youth, Erdogan played semi-professional football at a local club. Fenerbahce wanted him to transfer to the club but his father prevented it. The stadium of the local football club in the district where he grew up, Kasimpasa S.K. is named after him. Erdogan married Emine Gulbaran (born 1955, Siirt) on 4 July 1978. They have two sons; Ahmet Burak and Necmettin Bilal, and two daughters, Esra and Sumeyye. His father, Ahmet Erdogan, died in 1988 and his 88-year-old mother, Tenzile Erdogan, died in 2011. He is a member of the Community of Iskenderpasa, a Turkish sufistic community of Naqshbandi tariqah.

Using a quote from the above article, answer the following question: Is Erdogan married?
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Answer:
Erdogan married Emine Gulbaran (