27. The Space-Time Continuum of the General Theory of Relativity is Not a Eculidean Continuum</b><br>28. Exact Formulation of the General Principle of Relativity</b><br>29. The Solution of the Problem of Gravitation on the Basis of56 years ago

00:00

<b>Part III: Considerations on the Universe as a Whole</b></b><br>30. Cosmological Difficulties of Netwon's Theory</b><br>31. The Possibility of a "Finite" and yet "Unbounded" Universe</b><br>32. The Structu56 years ago

19:26

Appendix III56 years ago

21:22