Dimensional Projection as a Foundation for Quantum Indeterminacy

We propose a geometric framework in which the apparent indeterminacy of quantum mechanics arises naturally from the projection of higher-dimensional objects onto lower-dimensional observer spaces.

Using cardinality arguments from set theory, we establish a strict hierarchy: the set of all k-dimensional shapes embeddable in 3-dimensional space has cardinality ℵ(k+1), strictly increasing with k. Combined with a cardinality-existence correspondence principle, this implies the physical existence of infinitely many spatial dimensions.

We then develop a dimensional projection framework in which quantum phenomena — superposition, wave-particle duality, wave function collapse, entanglement, tunneling, and spin — are reinterpreted as geometric consequences of a 3-dimensional observer perceiving higher-dimensional objects. The Heisenberg uncertainty relations are shown to be observer-relative rather than fundamental limits of nature. The incompatibility between general relativity and quantum mechanics is argued to stem from Einstein's implicit assumption that observer dimensionality is absolute. We propose that treating observer dimensionality as a relative quantity — analogously to how Einstein relativised time and space — may provide a path toward unification.

Keywords: quantum mechanics, dimensional projection, cardinality, Heisenberg uncertainty, wave-particle duality, quantum gravity, higher dimensions, measurement problem