Law of the Fallacy Validity

The principle that under specific conditions, what appears to be a fallacy can actually be valid reasoning. The law acknowledges that context matters: an argument that commits a fallacy in one setting may be perfectly reasonable in another. Ad hominem, attacking the person, is fallacious in formal debate but valid when assessing credibility (you wouldn't trust a tobacco company's research on smoking). Appeal to authority is fallacious when the authority is irrelevant but valid when expertise is genuine. Slippery slope is fallacious when speculative but valid when causal chains are real. The law of the fallacy validity reminds us that fallacy labels are not absolute; they're tools, not weapons. What matters is not whether an argument fits a fallacy pattern but whether it's reasonable in context.

Example: "He accused her of ad hominem for mentioning the speaker's industry funding. She invoked the law of the fallacy validity: attacking the person is valid when their credibility is relevant. The funding mattered; the ad hominem was justified. He called it a fallacy; she called it context. She was right."

by Dumu The Void February 17, 2026

Law of the Valid Fallacies

The principle that there exists a class of arguments that are technically fallacious by formal standards yet genuinely valid in practice—reasoning that works even though it breaks the rules. These "valid fallacies" include arguments that persuade reasonable people despite logical flaws, inferences that lead to true conclusions through invalid steps, and reasoning that succeeds where formal logic fails. The law of the valid fallacies acknowledges that human reasoning is richer than formal logic, and that sometimes the technically invalid is practically sound. It's the logic of "it shouldn't work, but it does," of the intuitive leaps that turn out right, of the arguments that convince because they're right even though they're wrong by the book.

Example: "Her argument was technically fallacious—circular reasoning, begging the question. But it was also true, and everyone knew it. The law of the valid fallacies said: sometimes the fallacy is valid. The circularity didn't make it false; it just made it formally invalid. Formal invalidity and practical truth can coexist."

by Dumu The Void February 17, 2026

Theory of Valid Post-Truth

The systematic elaboration of valid post-truth as a framework for understanding contemporary epistemology. The Theory of Valid Post-Truth argues that we are witnessing not the death of truth but its mutation—a shift from truth-as-correspondence to truth-as-performance, truth-as-identity, truth-as-weapon. It traces the conditions that produced this shift: the collapse of trusted institutions, the rise of social media, the weaponization of information, the fragmentation of publics. It doesn't celebrate this shift or lament it; it seeks to understand it, to map its contours, to navigate its terrain. The Theory of Valid Post-Truth is the attempt to think clearly about a world where truth is no longer what it was.

Example: "He'd been searching for a way to understand the new information landscape—the lies that felt true, the facts that convinced no one. The Theory of Valid Post-Truth gave him language: truth had mutated, shifted from correspondence to performance. He stopped trying to fight the old war and started learning to navigate the new terrain."

by Abzugal February 21, 2026

Theory of Valid Postmodernism

The systematic elaboration of valid postmodernism as a framework for critical engagement with contemporary reality. The Theory of Valid Postmodernism argues that postmodern insights are not a descent into relativism but an ascent into complexity. It traces the development of postmodern thought, shows how its critiques can be used constructively, and develops criteria for distinguishing between useful deconstruction and destructive nihilism. It doesn't claim that all truths are equal; it claims that truth is more complicated than we thought. The Theory of Valid Postmodernism is the attempt to think clearly in a world where old certainties have collapsed and new ones haven't yet been built—and maybe shouldn't be.

Example: "He'd been searching for a way to hold postmodern insights without falling into despair. The Theory of Valid Postmodernism gave him that: critique without cynicism, deconstruction without destruction, complexity without collapse. He could see how truth was constructed without giving up on truth. He could question everything without believing nothing. Valid postmodernism was the middle path he'd been looking for."

by Abzugal February 21, 2026

Theory of Valid Relativism

The systematic elaboration of valid relativism as a framework for understanding truth, knowledge, and value. The Theory of Valid Relativism argues that relativism, properly understood, is not a surrender to arbitrariness but a sophisticated recognition of context-dependence. It develops criteria for evaluating perspectives without appealing to absolute standards: coherence, comprehensiveness, practical adequacy, explanatory power. It distinguishes between weak relativism (all perspectives are equally valid) and strong relativism (perspectives can be compared and evaluated, but not by absolute standards). The Theory of Valid Relativism is the attempt to think clearly about a world where truth is plural but not meaningless.

Example: "He'd been searching for a way to acknowledge cultural differences without giving up on judgment. The Theory of Valid Relativism gave him that: different truths, but not equally valid. He could respect other perspectives while still evaluating them, learning from them, sometimes rejecting them. Relativism didn't mean no standards; it meant better standards."

by Abzugal February 21, 2026

Appeal to Validity

A fallacy where someone argues that because an argument is logically valid (if premises true, conclusion must follow), it must therefore be sound (premises actually true). Or more commonly, using "that's not valid" to dismiss arguments that don't fit classical logical forms. The appeal is fallacious when it confuses formal validity with truth, or when it treats validity as the only criterion for good argument. An argument can be perfectly valid and completely false if its premises are wrong.

"I made an argument based on probability and context. Response: 'That's not logically valid!' They meant it didn't fit syllogistic form. But probabilistic arguments aren't supposed to be deductively valid—they're supposed to be inductively strong. Appeal to Validity: judging all arguments by standards that only apply to some."

by Dumu The Void February 28, 2026

Theory of Valid Post-Truth

A theoretical framework proposing that there are legitimate, non-pathological forms of "post-truth" phenomena—situations where the dominance of narrative over fact reflects not the death of truth but the recognition that truth is always mediated, always interpreted, always embedded in power relations. The theory distinguishes between pathological post-truth (deliberate deception, propaganda, conspiracy theories) and valid post-truth: the acknowledgment that different communities have different truth practices, that official facts often serve official interests, that what counts as "truth" in any society reflects who has power to define it. Valid post-truth doesn't deny reality—it asks whose reality counts, who gets to define the terms, and how truth functions as a social practice rather than just a correspondence to facts. It's post-truth as critique rather than cynicism.

Example: "He wasn't denying climate change—he was asking why indigenous observations counted less than satellite data. The Theory of Valid Post-Truth explains this: not rejection of truth, but critique of whose truth counts."

by Dumu The Void March 14, 2026