Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Philosophy

Paraconsistent Logic and Handling Contradictions in Reasoning

Quick fact

The father of paraconsistent logic, Stanisław Jaśkowski, developed his system in 1948 after being inspired by the Łukasiewicz's work on many-valued logic. Since then, paraconsistent logics have been used in computer science to manage inconsistent databases and in AI to handle conflicting knowledge.

Why this is interesting

Have you ever held two beliefs that contradict each other, yet still managed to reason about the world? Classical logic says that if you hold a single contradiction, you could logically conclude anything—even that the Moon is made of cheese. But is that the only way to think?