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Cross-Validation

Cross-Validation (CV) - Model validation technique used to evaluate how good a predictive model will perform in practice. It splits data multiple times in different places so the predictive model doesn't guide exclusively on one piece of data and decreasing the risk of overfitting making the model more reliable.
Is your model giving good results?
Yes, ever since I implemented cross-validation.
by mrr37 June 11, 2021
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Vito-Validation

The act of googling a definition of a word, finding it in Urban Dictionary and claiming that it is a real world
His evidence was a classic example of a Vito-validation
by LGHUGZ July 29, 2021
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Dick Validator

"Dick Validator" (Noun):
A whimsical term referring to a man in a humorous context. In this creative concept, the term suggests a man is responsible for affirming or confirming adherence to stereotypical notions of masculinity. It is used in a “Manly” fashion and in a satirical manner to denote the act of granting a figurative seal of approval to actions or traits deemed conventionally "Manly." Dick Validators may also be referred to as the “Manus” (Man-Iss) in some social settings. This term is not associated with any legitimate validation process or formal recognition in reality.
"As Little Johnny reached the age of thirteen, his quirky family decided to celebrate his transition to adolescence with a whimsical ceremony. In a lighthearted gesture, Uncle Bob, adorned with a comically oversized mustache, assumed the role of the 'Dick Validator,' playfully assessing Johnny's ability to tie a tie, throw a punch, and open a stubborn pickle jar. The family laughed as Uncle Bob, in a 'Manly' fashion, bestowed a mockingly serious 'Manus' seal of approval, officially recognizing Johnny's entrance into the realm of stereotypical masculinity."
by BB COOL November 15, 2023
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The principle that logical validity exists on a spectrum between absolute and relative, with infinite gradations and multiple dimensions. Under this law, an argument isn't simply valid or invalid—it's valid to some degree, in some logical systems, under some interpretations, for some purposes. The law of spectral validity recognizes that validity is not binary but continuous, that arguments can be more or less valid depending on the standards applied, and that the question isn't "is it valid?" but "where on the spectrum of validity does this argument fall?" This law is essential for understanding debates between different logical frameworks, where each side's arguments are valid within their own system but may appear invalid in another.
Law of Spectral Logical Validity Example: "She evaluated his argument using spectral logical validity, mapping it across multiple dimensions: validity in classical logic (high), validity in paraconsistent logic (medium), validity in fuzzy logic (depends on truth values), validity in everyday reasoning (pretty good). The spectral coordinates explained why the argument worked for some audiences and failed for others. She stopped calling it invalid and started understanding where it lived."
by Abzugal February 16, 2026
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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
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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
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thirst for validation

Something that happens when you outsource your self-worth to surrounding people (e.g., parents, friends).
His constant need for likes and comments on his posts showed a deep thirst for validation from his peers.
by Emotional Cruiser September 20, 2025
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