| general relativity | has competing theory twistor theory |  |
| has subset special relativity | |
| has phenomena gravity | |
| has implication four-dimensional structure of space-time | |
| has author Einstein (1915) | |
| has synonym Einstein's theory of gravity | |
| has definition Gravitation is a curvature in four-dimensional space-time rather than as a force existing between two masses. | |
| is an instance of relativity theory | |
| theory | has validity correct or incorrect with caveats | |
| has domain a field of research | |
| has date or a range of dates for which the theory was active | |
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