Socialist Party of the National Left
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"PSIN" redirects here. For generalization of sine to vertex angles of arbitrary polytopes, see Polar sine.
The Socialist Party of the National Left (Spanish: Partido Socialista de la Izquierda Nacional, PSIN) was a political party in Argentina, founded in 1962 by Jorge Abelardo Ramos, Jorge Enea Spilimbergo and others, representative of the National Left Argentine political tradition.
The political philosopher Ernesto Laclau was a member of the PSIN until 1969, when the British historian Eric Hobsbawm supported his entrance to Oxford.[1]