A dicto simpliciter

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A dicto simpliciter (sweeping generalization) (Latin: "from a maxim without qualification", meaning "from a universal rule") or ad dictum simpliciter (Latin: "to a maxim without qualification", meaning "to a universal rule") are Latin phrases for a type of informal fallacy of presumption.

Definition

A dicto simpliciter fallacies are deductive fallacies that occur in statistical syllogisms. A dicto simpliciter occurs when an acceptable exception is ignored or eliminated. For instance, restaurant kitchens must regularly undergo government inspections for food safety. If one were to argue from this that all kitchens, including home kitchens, should be visited by government inspectors, it would be an a dicto simpliciter fallacy.

Instances of a dicto simpliciter are of two kinds:

Accident — a dicto simpliciter ad dictum secundum quid (Where an acceptable exception is ignored.) [from general to qualified]
Converse accident — a dicto secundum quid ad dictum simpliciter (Where an acceptable exception is eliminated or simplified.) [from qualified to general]

v t e Informal fallacies

Absence paradox Begging the question Blind men and an elephant Cherry picking Complex question False analogy Fallacy of distribution (composition division) Furtive fallacy Hasty generalization I'm entitled to my opinion Loaded question McNamara fallacy Name calling Nirvana fallacy Rationalization (making excuses) Red herring fallacy Relative privation Special pleading Slothful induction

Correlative-based fallacies	False dilemma Denying the correlative Suppressed correlative

Deductive fallacies	Accident Converse accident

Inductive fallacies	Sampling bias Conjunction fallacy False analogy Hasty generalization Misleading vividness Overwhelming exception

Vagueness / ambiguity	Amphibology Continuum fallacy False precision Slippery slope

Equivocation	Equivocation False attribution Fallacy of quoting out of context Loki's Wager No true Scotsman Reification

Questionable cause	Animistic Appeal to consequences Argumentum ad baculum Correlation proves causation (Cum hoc ergo propter hoc) Gambler's fallacy (inverse) Post hoc Prescience Regression Single cause Slippery slope Texas sharpshooter Wrong direction

List of fallacies Other types of fallacy Philosophy portal

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A dicto simpliciter

Definition

See also