B-theory of time, also called the "tenseless theory of time", is one of two positions regarding the temporal ordering of events in the philosophy of time...

says all truths about time can be reduced to B series statements is the B-theory of time. The logic and the linguistic expression of the two series are radically...

relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein...

The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed...

universe theory of time, in which at least the future is not the same as any other time. Some forms of eternalism give time a similar ontology to that of space...

dimension of time has occasionally been discussed in physics and philosophy. Similar ideas appear in folklore and fantasy literature. Speculative theories with...

}-b_{\mu }} . The absorber theory is invariant under time-reversal transformation, consistent with the lack of any physical basis for microscopic time-reversal...

The theory of special relativity seems to advocate a B theory of time. David Lewis's perdurantism or four-dimensionalism requires a B theory of time. A...

formulate a theory of sets free of paradoxes such as Russell's paradox. Today, Zermelo–Fraenkel set theory, with the historically controversial axiom of choice...

clocks. Reconciling these two theories is known as the problem of time. As of 2023, there is no generally accepted theory of quantum general relativity....