premise: Soviet Latvia is another name for the Latvian Soviet Socialist Republic.
hypothesis: The Latvian Soviet Socialist Republic ( Latvian SSR ; Latvijas Padomju Sociālistiskā Republika Латвийская Советская Социалистическая Республика , Latviyskaya Sovetskaya Sotsialisticheskaya Respublika ) , also known as Soviet Latvia or Latvia , was a republic of the Soviet Union . Soviet Latvia . the Latvian Socialist Soviet Republic ( 1918 -- 1920 )