Mention632081
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| so:text | In Einstein's general theory of relativity the identity of these two coefficients, the gravitational and the inertial mass, is no longer a miracle, but a necessity, because gravitation and inertia are identical. (en) |
| so:isPartOf | https://en.wikiquote.org/wiki/Willem_de_Sitter |
| so:description | Kosmos (1932) (en) |
| so:description | Above is Beginning Quote of the Last Chapter: Relativity and Modern Theories of the Universe==== --X (en) |
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Triples where Mention632081 is the object (without rdf:type)
| qkg:Quotation599294 | qkg:hasMention |
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