Theory of the Fallacy Spectrum

The theory that fallacies exist on a spectrum, not as a binary category of "fallacious" vs. "valid." The Fallacy Spectrum recognizes that what counts as a fallacy depends on context, purpose, and degree. An argument that's clearly fallacious in a formal debate may be reasonable in everyday conversation; a claim that's somewhat fallacious may still point toward truth; a fallacy that's harmless is different from one that's destructive. The spectrum allows for distinguishing between different kinds and degrees of fallaciousness, for evaluating arguments rather than just labeling them. A hasty generalization from limited data is different from one with no data; an ad hominem that's relevant is different from one that's pure distraction. The Theory of the Fallacy Spectrum calls for mapping where arguments fall on multiple axes of fallaciousness.

Theory of the Fallacy Spectrum Example: "He called every argument he disagreed with 'fallacious.' The Theory of the Fallacy Spectrum showed why that was itself fallacious: fallacies come in degrees. A weak analogy is less fallacious than a complete non sequitur; a relevant ad hominem is less fallacious than a pure attack. The spectrum demanded actual evaluation, not just labeling."

by Dumu The Void March 7, 2026

The 8 Axes of the Fallacy Spectrum

A framework for evaluating fallacies along eight key dimensions. The 8 axes are: 1) Formal Validity (how well it follows logical form), 2) Informal Soundness (how reasonable it is in context), 3) Evidential Support (how much evidence backs it), 4) Contextual Appropriateness (whether the reasoning fits the context), 5) Intentionality (whether the fallacy is deliberate), 6) Magnitude (how severely it distorts reasoning), 7) Correctability (whether it can be easily corrected), and 8) Consequential Impact (how much harm it causes). These axes allow for nuanced evaluation of fallaciousness.

The 8 Axes of the Fallacy Spectrum Example: "The argument was called a slippery slope. The 8 axes showed: formal validity (weak), informal soundness (some steps plausible), evidential support (little), contextual appropriateness (political debate, where such arguments are common), intentionality (probably deliberate), magnitude (moderate), correctability (hard, as it fit a narrative). The axes explained why the label 'fallacy' wasn't enough—it was fallacious, but in specific ways, to a specific degree."

by Dumu The Void March 7, 2026

The 16 Axes of the Fallacy Spectrum

An expanded framework adding eight dimensions for even more nuanced fallacy evaluation. The additional axes include: 9) Cultural Recognition (whether the culture sees it as fallacious), 10) Historical Usage (how it's been used historically), 11) Psychological Basis (what cognitive processes produce it), 12) Persuasive Power (how convincing it is despite being fallacious), 13) Audience Dependence (whether it works better on some audiences), 14) Immunity to Correction (how resistant it is to debunking), 15) Systemic Embeddedness (whether it's part of a larger fallacious system), and 16) Epistemic Function (whether it sometimes serves useful purposes). The 16 axes provide comprehensive fallacy analysis.

The 16 Axes of the Fallacy Spectrum *Example: "The conspiracy theory argument was mapped on all 16 axes: low on formal validity, very low on evidential support, high on persuasive power for certain audiences, high on immunity to correction, high on systemic embeddedness (part of a whole worldview). The axes showed why standard debunking failed—the fallacy wasn't isolated; it was a system. Fighting it required systemic response, not just point-by-point refutation."*

by Dumu The Void March 7, 2026