Propositional logic

* [[logic:formal_fallacies:affirming_a_disjunct|Affirming a disjunct]] * [[logic:formal_fallacies:denying_a_conjunct|Denying a conjunct]] * [[logic:formal_fallacies:affirming_the_consequent|Affirming the consequent]] * [[logic:formal_fallacies:denying_the_antecedent|Denying the antecedent]]

Syllogistic fallacies

* [[logic:formal_fallacies:affirmative_conclusion_from_negative_premise|Affirmative conclusion from a negative premise]] * [[logic:formal_fallacies:negative_conclusion_from_affirmative_premises|Negative conclusion from affirmative premises]] * [[logic:formal_fallacies:exclusive_premises|Fallacy of exclusive premises ]] * [[logic:formal_fallacies:fallacies_of_distribution:index|Fallacies of distribution]] * [[logic:formal_fallacies:fallacies_of_distribution:illicit_process|Illicit process]] * [[logic:formal_fallacies:fallacies_of_distribution:undistributed_middle|Undistributed middle]] * [[logic:formal_fallacies:four-term_fallacy:index|Four-term fallacy]] * [[logic:formal_fallacies:four-term_fallacy:ambiguous_middle|Ambiguous middle]]

Other formal fallacies

* [[logic:formal_fallacies:circular_reasoning|Circular reasoning]] * [[logic:formal_fallacies:existential|Existential fallacy]]