# The causal graph is objective reality

**URL:** <https://www.artofsm.art/t/the-causal-graph-is-objective-reality/11736>\
**Category:** Content Creators\
**Tags:** the-last-theory, mathematics\
**Created:** [8 August 2025 21:00 UTC](https://www.artofsm.art/t/the-causal-graph-is-objective-reality/11736 "2025-08-08T21:00:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![merefield](https://www.artofsm.art/user_avatar/www.artofsm.art/merefield/32/74_2.png) [@merefield](https://www.artofsm.art/u/merefield)\
**Post date:** [8 August 2025 21:00 UTC](https://www.artofsm.art/t/the-causal-graph-is-objective-reality/11736/1 "2025-08-08T21:00:29Z")

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[![](https://www.artofsm.art/uploads/default/original/2X/a/ab4d5686760270bbe641269f388e5aec27e0394a.jpeg "The causal graph is objective reality") ](https://www.youtube.com/watch?v=9itmaTngjtE)

The video explains that within Wolfram Physics, the causal graph represents a single, objective reality by capturing the invariant causal relationships between events across all possible universes, unlike the hypergraph and multi-way graph which depict specific realities or all possible evolutions. This causal invariance ensures that despite different possible paths or observer perspectives, the underlying causal structure remains consistent, making the causal graph the fundamental framework unifying all realities.

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<div class="post-metadata">

**Author:** ![merefield](https://www.artofsm.art/user_avatar/www.artofsm.art/merefield/32/74_2.png) [@merefield](https://www.artofsm.art/u/merefield)\
**Post date:** [8 August 2025 21:22 UTC](https://www.artofsm.art/t/the-causal-graph-is-objective-reality/11736/3 "2025-08-08T21:22:14Z")

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The video explores the concept of the causal graph within the framework of Wolfram Physics, contrasting it with two other types of graphs: the hypergraph and the multi-way graph. The hypergraph represents a single concrete reality—space and everything within it—while the multi-way graph captures every possible evolution of that hypergraph, essentially representing every possible universe or reality. The causal graph, however, is more abstract and captures the causal relationships between every possible event across all these possible universes.

The presenter explains that while the hypergraph and multi-way graph are easier to visualize, the causal graph is crucial because it underpins fundamental physical concepts such as mass, energy, momentum, and even the principles of relativity and quantum mechanics. The causal graph is unique in that it represents a single objective reality that remains consistent regardless of which possible universe or evolution one considers. This is a deeper level of abstraction that unifies all possible realities into one coherent structure.

To illustrate this, the video shows how one can reduce the multi-way graph, which contains every possible evolution of the universe, down to a single path representing one particular evolution. Correspondingly, the causal graph can also be reduced to show only the causal relationships between events that actually happen in that specific universe. When this is done for different possible evolutions, the surprising result is that the shape of the causal graph remains the same across all these different paths.

This phenomenon is explained by the concept of causal invariance. Causal invariance means that although the multi-way graph branches into many possible paths, these branches eventually reconverge, and the causal graph remains invariant regardless of the path taken. This equivalence implies that different observers might perceive the order of events differently, but they will always agree on the underlying causal structure. Thus, the causal graph is an objective reality that transcends subjective perspectives.

In conclusion, the video argues that while the hypergraph and multi-way graph represent contingent realities dependent on specific evolutions or observers, the causal graph collapses all these possibilities into a single, observer-independent reality. This makes the causal graph the fundamental structure of objective reality, providing a unified framework that reconciles multiple possible universes into one consistent causal order.