= Proof complexity
{wiki=Proof_complexity}
Proof complexity is a field of computational complexity theory that studies the resources required to prove statements in formal systems. It focuses on understanding the efficiency and limitations of formal proofs, particularly in relation to various proof systems, such as propositional logic, first-order logic, and more advanced logics. Key aspects of proof complexity include: 1. **Proof Length**: One of the primary metrics in proof complexity is the length of proofs.
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