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argument_from_composition
The argument from composition or division reasons about the relationship between parts and wholes. In the composition form, it argues that because each part has a property, the whole must have that property. In the division form, it argues that because the whole has a property, each part must have it. This reasoning is sometimes valid (a wall made of red bricks is a red wall) but often fallacious (a team of individually excellent players is not necessarily an excellent team).
Every component in this car has passed rigorous safety testing individually. Therefore, the assembled car as a whole must be safe. This ignores that interactions between individually safe components can create system-level hazards that no single component exhibits.
Every musician in this orchestra is world-class individually. Therefore, this orchestra must produce a perfect performance together. This ignores that ensemble playing requires coordination, chemistry, and rehearsal time that individual excellence alone cannot guarantee.
Each ingredient in this recipe — the salt, the vinegar, the chili — tastes fine on its own. Therefore, combining them all in large quantities must produce a delicious dish. In reality, individually acceptable flavors can combine into something overwhelming and unpalatable.
Binary (yes/no) questions an LLM must answer to identify this aspect:
Are properties of individual parts being attributed to the whole, or vice versa?
Type: binaryDoes the property in question actually transfer between part and whole?
Type: binaryIs there evidence that the emergent/aggregate properties differ from component properties?
Type: binaryIs the part-whole relationship being properly understood?
Type: binaryThe argument from composition or division reasons about the relationship between parts and wholes. In the composition form, it argues that because each part has a property, the whole must have that property. In the division form, it argues that because the whole has a property, each part must have it. This reasoning is sometimes valid (a wall made of red bricks is a red wall) but often fallacious (a team of individually excellent players is not necessarily an excellent team).
The inference from parts to whole (and vice versa) feels natural because in many everyday cases it holds true. People overgeneralize this pattern without considering emergent properties, interaction effects, or the difference between distributive and collective properties.
Ask whether the property in question is one that transfers from parts to wholes (or vice versa). Mass is additive; safety, performance, and beauty are often not. Identify emergent properties that exist only at the whole-system level.
Composition/division arguments appear in economics (what is good for one firm is good for the economy), engineering (component vs. system testing), team management, and political reasoning about individual vs. collective interests.
Use these tools to detect, analyze, or train this aspect.