Formal theorem proving capabilities of Large Language Models (LLMs) have been hindered by the limitations of Auto-Regressive (AR) generation methods. Researchers have identified the need to move beyond these methods to enhance the mathematical reasoning abilities of LLMs. A new approach, dubbed "Diffusion-Proof", aims to overcome the inherent limitations of AR models by introducing a novel recipe for formal theorem proving1. This development has significant implications for the field of artificial intelligence, as it could lead to more robust and reliable mathematical reasoning capabilities in LLMs. The potential applications of this technology extend far beyond the realm of mathematics, with potential impacts on policy, security, and workforce dynamics. As AI continues to advance, the ability to formally prove theorems will become increasingly important, making this breakthrough a crucial step forward. So what matters to practitioners is that this new approach could ultimately lead to more trustworthy and secure AI systems.