For centuries, the crown jewel of human intellect was mathematical reasoning—the painstaking, elegant construction of rigorous proofs from first principles. When mathematicians like Andrew Wiles spent years tackling Fermat's Last Theorem, it was viewed as an exclusively human triumph of intuition, aesthetic grace, and relentless cerebral labor. Today, that paradigm is undergoing a tectonic shift. With the rapid maturation of autonomous theorem proving, artificial intelligence is no longer just calculating numbers or generating statistical text; it is rigorously doing mathematics. Systems running on interactive theorem provers like Lean 4, paired with reinforcement learning architectures such as Google DeepMind’s AlphaProof, are successfully tackling International Mathematical Olympiad (IMO) problems and cracking previously unsolved conjectures. In this comprehensive guide, we will explore the mechanics of autonomous theorem proving, examine how formal...