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Four Definitions of Mathematics, Discrete to Continuous, and Their Applications to AI and Physics

dong ZHANG

Published Dec 3, 2025• 0 citations
Publisher

Abstract

We present four definitions of mathematics that are understandable, actionable, and applicable. Mathematics is characterized as a collection of equalities and inequalities and can be constructed from nothing—the empty set—using rigorous logic alone. Applying these definitions to physics, we show, for example, that atoms of the same isotope are not identical, and we provide a constructive definition of gravity as the final electromagnetic residue after successive stages of incomplete cancellation.We further introduce the Schrödinger Test: the original 1935 text of Schrödinger’s Cat serves as a benchmark for evaluating discrete logical reasoning. Because the thought experiment has occupied physics for ninety years, the ability of an artificial intelligence system to recover its discrete logical structure provides a direct test of machine intelligence.Finally, we propose a physical test of the discrete-photon/slit interaction model. A home-built asymmetric single-slit experiment—using slit edges composed of different materials such as copper and steel—produces reproducible left–right asymmetries in the diffraction pattern. Rotating the slit rotates the asymmetry, demonstrating that the interaction originates inside the slit. This provides empirical support for the restoration of discrete electromagnetic structure removed by continuous interference models and suggests a concrete experimental path for further verification.

DOI
10.5281/zenodo.17797313

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We present four definitions of mathematics that are understandable, actionable, and applicable. Mathematics is characterized as a collection of equalities and inequalities and can be constructed from nothing—the empty set—using rigorous logic alone. Applying these definitions to physics, we show, for example, that atoms of the same isotope are not identical, and we provide a constructive definition of gravity as the final electromagnetic residue after successive stages of incomplete cancellation.We further introduce the Schrödinger Test: the original 1935 text of Schrödinger’s Cat serves as a benchmark for evaluating discrete logical reasoning. Because the thought experiment has occupied physics for ninety years, the ability of an artificial intelligence system to recover its discrete logical structure provides a direct test of machine intelligence.Finally, we propose a physical test of the discrete-photon/slit interaction model. A home-built asymmetric single-slit experiment—using slit edges composed of different materials such as copper and steel—produces reproducible left–right asymmetries in the diffraction pattern. Rotating the slit rotates the asymmetry, demonstrating that the interaction originates inside the slit. This provides empirical support for the restoration of discrete electromagnetic structure removed by continuous interference models and suggests a concrete experimental path for further verification.
We define mathematics as the collection of equalities and inequalities. Therefore, mathematicians perform two tasks: identifying identity (equality) and identifying difference comparison (inequality). Applying this definition to Schrödinger’s Cat, we identify the thought experiment as equivalent to a first-decay experiment. A first-decay event reveals the differences among atoms and exposes an implicit identity assumption in physics. We propose an objective test, the Schrödinger Test, for artificial intelligence, since the Turing Test is subjective and human linguistic. The test is: given Schrödinger’s original 1935 text, can a system derive the associated logical consequences, such as the non-identity of atoms?
This work revisits foundational thought experiments in physics—most notably Schrödinger’s Cat and Young’s double-slit experiment—from the perspective of logic, language, and discrete reasoning, rather than probability or continuous modeling. The book begins with a close reading of Schrödinger’s original text and treats the cat experiment as a logical and linguistic test rather than a physical paradox. By following the description step by step, the analysis shows that the experiment centers on first events, non-repeatability, amplification, and restricted access to information. The uncertainty lies in description and access, not in physical superposition. The discussion then broadens to related cases, including non-repeatable experiments, multifacet descriptions, sealed systems, and the distinction between reality and observation. Familiar examples such as the blind men and the elephant are used to clarify how superposition can arise from language and partial description rather than from objects themselves. A stripped-down “cat in a box” case shows that the logical structure of Schrödinger’s Cat exists independently of radioactive devices. The book also revisits Young’s double-slit experiment, focusing on the role of the slit as a physical boundary and interaction region rather than an abstract geometric opening. Light and electrons are treated as discrete entities whose cumulative outcomes arise from individual events and in-slit interactions with solid surfaces. The interference pattern is interpreted as a historical summary of discrete trajectories and interactions, not as evidence of continuous wave behavior passing through empty space. Taken together, these analyses lead to a unified view: many celebrated “paradoxes” arise from linguistic compression, continuous idealization, and the loss of discrete structure in description. In the final chapters, Schrödinger’s Cat is reframed as a reasoning benchmark, comparable in spirit to the Turing Test. Whereas the Turing Test evaluates imitation through conversation, Schrödinger’s Test evaluates careful reading, logical inference, and consistency when language, time, and access to information are intertwined. Artificial intelligence plays a natural role in this framework. AI systems operate through finite steps, substitution, and rule-based manipulation of language. These properties align closely with the logical structure required to analyze both Schrödinger’s Cat and the double-slit experiment. The book therefore proposes Schrödinger’s Test as a reading-comprehension and logical-reasoning benchmark for both humans and artificial intelligence systems. No technical background in physics is assumed. The discussion relies on logic, language, and close reading. The goal is not to resolve paradoxes, but to show that none are required when foundational experiments are read precisely.
This work presents a discrete, interaction-centered reinterpretation of slit-based interference experiments, treating slit boundaries as finite atomic structures with active electromagnetic properties rather than as geometrical, interaction-free constraints. Interference phenomena in slit experiments are traditionally described using continuous wave superposition, with slit boundaries treated as geometrical and electromagnetically neutral. In this work, we present a discrete, interaction-centered framework in which slit boundaries are modeled as finite atomic structures with incomplete electromagnetic cancellation. Photons and electrons are treated as finite entities undergoing localized, time-dependent electromagnetic interactions during slit transit. Interference patterns are shown to arise as accumulated statistical distributions of exit directions produced by many discrete events, rather than as instantaneous self-interference of single particles. A complete step-by-step mathematical formulation is provided, compatible with finite reasoning and artificial intelligence modeling. The framework predicts material-dependent and surface-dependent interference effects and motivates experimental tests using asymmetric and material-specific slits. DIY experimental photographs are included as an appendix to illustrate practical realizations of electromagnetically active boundaries. This document combines all conceptual sections and all mathematical steps into a single, unified exposition. It presents a discrete, interaction-centered reinterpretation of slit-based interference experiments, integrating physical reasoning, logical structure, and explicit equations. Continuous wave superposition is replaced throughout by finite electromagnetic interactions between passers (photons or electrons) and electromagnetically active atomic boundaries.
Mathematics is an artificial symbolic logical system whose evaluation standard lies only in internal self consistency. Its core function is to fit observed phenomena. When deduction hits obstacles, mathematics can expand definitions extend number fields or change calculation frameworks to bypass difficulties. As long as logic forms a closed loop this operation is valid within the scope of mathematics. Imaginary number systems and calculus are typical examples. They are internally self consistent and efficient for calculation as computing tools but the tools themselves do not equal objective reality. Mathematical systems face no punishment from objective reality. When contradictions appear in deduction researchers only need to adjust rules and refit data. Physics takes objective reality and causal chains independent of human cognition as its foundation. The only judging standard comes from the real natural world. Physics cannot bypass fundamental contradictions by makeshift assumptions. This paper clarifies a critical dividing line. Success in engineering application never proves the correctness of the underlying physical theory supporting that engineering. Many technical achievements come from empirical exploration and repeated trial and error. Researchers build devices and obtain effects first. Theories are proposed later to fit collected data. Those theories do not reveal the real causal mechanism in advance. Newtonian mechanics is an approximate description valid under limited conditions. It has clear application boundaries and its underlying causal framework does not deliberately avoid core contradictions. Interpretations such as superposition and Schrodinger cat that describes simultaneous life and death are different. They deliberately bypass microscopic dynamic mechanisms and modify the inherent properties of matter to adapt to mathematical frameworks. These two cases have essential differences. Even if a deviated underlying physical mechanism can produce usable calculation schemes or even drive engineering progress it does not prove the foundation is correct. If basic assumptions depart from reality all derived conclusions must be revised from the root instead of adding surface patches. Part of the difficulties in modern fundamental physics arise from three types of confusion. Confusion between mathematical fitting and physical reality. Confusion between empirical engineering success and the truth of underlying physical mechanism. Confusion between well bounded approximate theories and patchwork assumptions made to avoid contradictions. If researchers keep stacking derived models on a shifted physical foundation the system will accumulate internal inconsistencies. Even with delicate local mathematical fitting the whole theory will eventually collapse logically just like a tall dangerous building built on skewed ground. This paper analyzes the differences between mathematics and physics the long term theoretical risks of bypassing contradictions and the boundary between engineering success and physical theoretical success. It proposes that fundamental physics must stick to objective reality and closed causality.
Following the spirit of the Turing Test, we propose Schrödinger’s Test using the original text of Schrödinger’s Cat thought experiment as a test of logical reasoning and independent thinking in artificial intelligence. For a radioactive isotope, we introduce its Schrödinger’s Amount, the weight or quantity of its atoms equal to “a tiny amount” in the original text, and it is put in the steel box with the cat of the thought experiment. The test consists of a machine reading the text and answering several test questions. A higher level of the test is to have it write a report to see how many answers to the questions it contains. As a starting set, our questions are designed to dissect Schrödinger’s Cat part by part and step by step, a few of which are original, not yet available on the internet, unknown to current artificial intelligence programs, and can therefore serve as test questions. For example, why must the box be open? Are atoms identical? Is Schrödinger’s Cat repeatable? For each question, two answers are presented: a conventional or known answer reflecting standard interpretations in physics available on the internet, and an unconventional answer derived through facts and logic not yet available on the internet. Since Schrödinger’s Cat was introduced in 1935, with Einstein’s involvement, it has been extensively studied, taught, and wrote for nearly 100 years, Schrödinger’s Test represents an extremely high-level of human intelligence.