The term Realphilosophie was first introduced by Hegel. His Jenaer Realphilosophie of 1805/6 contains lectures "on the philosophy of nature and of the spirit". Hegel confronts the material philosophy of pure logic: Realphilosophie (Material philosophy) is thus thinking on empirical basis. In his Realphilosophie, Hegel concerns himself, among other things, with phenomena found in

astronomy Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...

and

biology Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary i ...

. However, Realphilosophie also includes social and cultural phenomena. It covers both

natural philosophy Natural philosophy or philosophy of nature (from Latin ''philosophia naturalis'') is the philosophical study of physics, that is, nature and the physical universe. It was dominant before the development of modern science. From the ancient wo ...

and cultural philosophy. According to the German science journalist Gábor Paál the concept is congruent with the idea of the Third Culture.Are the disciplinaries permeable? In

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Georg Wilhelm Friedrich Hegel Metaphilosophy {{Philo-stub