ヨハン・ゴットリープ・フィヒテ
Although this style of philosophical discussion (stating a point of view, then its opposite, and finally drawing a conclusion) was commonly used by ancient philosophers, the use of the trio "thesis, antithesis, synthesis" itself to describe it goes back only to the 18th century, to a work published in 1794 by the German philosopher Johann Gottlieb Fichte.