Syllogistic fallacies are formal fallacies that occur in syllogisms. They include or :
Any syllogism type (other than polysyllogism and disjunctive):
Occurring in categorical syllogisms:
- related to affirmative or negative premises:
- affirmative conclusion from a negative premise
- fallacy of exclusive premises
- negative conclusion from affirmative premises
- existential fallacy
- fallacy of the undistributed middle
- illicit major
- illicit minor
- fallacy of necessity
Occurring in disjunctive syllogisms:
- affirming a disjunct
Occurring in statistical syllogisms (dicto simpliciter fallacies):
See also
External links
- Fallacy files: Syllogistic fallacy
- Online Syllogistic Machine An interactive syllogistic machine for exploring all the fallacies, figures, terms, and modes of syllogisms.