Positive Conclusion from Negative Premise

Reviewed by Mattias Durán Santis, co-founder of DebateTournament.org. Last updated 7 October 2026.

This fallacy draws an affirmative conclusion from premises that only exclude something, such as "no A is B, no B is C, so some A is C". Debaters answer by showing that ruling things out cannot prove anything positive.

No example clip has been tagged with this yet. Browse the library for the others.