Existential fallacy

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An Existential fallacy is a type of logical fallacy when the existence of a thing is implied, when it otherwise shouldn't from the premises.

Formal Construction

  1. All S are P
  2. Some P are S

Examples

  • Example 1
  1. All leprechauns are people
  2. Thus, some people are leprechauns
  • Example 2
  1. All answered prayers would come from a god
  2. Thus, some answered prayers do come from a god
  • Example 3
  1. God is love
  2. Some love is God


v · d Logical fallacies
v · d Formal fallacies
Propositional logic   Affirming a disjunct · Affirming the consequent · Argument from fallacy · False dilemma · Denying the antecedent
Quantificational logic   Existential fallacy · Illicit conversion · Proof by example · Quantifier shift
Syllogistic   Affirmative conclusion from a negative premise · Exclusive premises · Necessity · Four-term Fallacy · Illicit major · Illicit minor · Undistributed middle
v · d Faulty generalisations
General   Begging the question · Gambler's fallacy · Slippery slope · Equivocation · argumentum verbosium
Distribution fallacies   Fallacy of composition · Fallacy of division
Data mining   Cherry picking · Accident fallacy · Spotlight fallacy · Hasty generalization · Special pleading
Causation fallacies   Post hoc ergo propter hoc · Retrospective determinism · Suppressed correlative · Wrong direction
Ontological fallacies   Fallacy of reification · Pathetic fallacy · Loki's Wager
v · d False relevance
Appeals   Appeal to authority · Appeal to consequences · Appeal to emotion · Appeal to motive · Appeal to novelty · Appeal to tradition · Appeal to pity · Appeal to popularity · Appeal to poverty · Appeal to spite · Appeal to wealth · Sentimental fallacy · Argumentum ad baculum
Ad hominem   Ad hominem abusive · Reductio ad Hitlerum · Judgmental language · Straw man · Tu quoque
Genetic Fallacies   Genetic fallacy · Chronological snobbery · Association fallacy · Appeal to tradition · Texas sharpshooter fallacy
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