abstract
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Proof assistants aid the user in proving mathematical theorems by taking care of low-level reasoning details. Their user interfaces often present proof information as text, which becomes increasingly difficult to comprehend as it grows in size. Panoptes is a software tool that enables users to explore graphical representations of the formal proofs produced by the IMPS Interactive Mathematical Proof System. Panoptes automatically displays an IMPS deduction graph as a visual graph that can be easily manipulated by the user. Its facilities include target zooming, floating information boxes, node relabeling, and proper substructure collapsing.