The History of Solar - Energy
Swiss scientist Horace de Saussure was credited with building the world’s first solar collector, later used by Sir John Herschel to cook food during his South Africa expedition in the 1830s. See the Solar Cooking Archive for more information on
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web.sbu.eduFerdinand de Saussure, in the Course in General Linguistics, describes language as a system of signs (a word is a sign) to which we respond in a predictable way. According to him, the sign is made up of a signifier (e.g., the acoustic form of the word, the sound) and a signified (e.g., a mental concept).
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www.letramagna.comSaussure (2006[1916]), não deve ser compreendida como passível de escolha por parte do falante, mas sim que, embora o significante e significado estejam em uma ligação inseparável, essa relação não é motivada. A arbitrariedade do signo linguístico é explicada da seguinte forma
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