Is the whole truly greater than the sum of its individual parts?

Ideas & Philosophy · Published 3 October 2026 Swipe more like this →

In short: Holism challenges the reductionist view that systems are merely collections of components. From quantum physics to linguistics and biology, proponents argue that complex systems possess emergent properties that cannot be explained by studying parts in isolation. This perspective suggests that reality is fundamentally interconnected, requiring a broader, integrated analytical approach.

The concept of holism, coined by Jan Smuts in his 1926 book Holism and Evolution, posits that systems exhibit characteristics as wholes that are absent in their constituent parts. While Smuts initially proposed this to explain evolution as a creative, intentional process, the term has evolved into a diverse set of ideas across multiple disciplines. In science, it stands in direct opposition to reductionism, which seeks to explain complex phenomena by breaking them down into their most basic elements.

In physics, holism manifests through the nonseparability of systems, particularly in quantum mechanics. While classical physics assumes the behavior of a whole is simply the sum of its parts, quantum entanglement demonstrates that systems can be linked in ways that defy such analysis. Physicists like David Bohm argued for an ontological holism, suggesting that a complete understanding of the universe requires accounting for quantum fields that guide particle trajectories, rather than just the particles themselves. Conversely, Niels Bohr viewed these holistic properties as dependent on the observational context, highlighting the ongoing debate regarding whether such phenomena exist independently of our measurements.

The influence of holism extends into linguistics and biology. Semantic holism suggests that the meaning of a word is tied to a vast web of other words, meaning a change in one can ripple through an entire language. Meanwhile, systems biology applies holistic principles to model complex biological networks, arguing that studying individual components fails to capture how system-level properties emerge. Whether in social sciences, where researchers argue that large-scale events cannot be fully explained by individual actions, or in medicine, where the body is treated as an integrated whole, holism provides a framework for understanding complexity that reductionism often overlooks.

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