You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx and 'Travels in Four Dimensions' by Robin Le Poidevin
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Reality, or select a subheading: |
| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |