The term indicates a compressed file format. If you found a link titled "Download x(P P) rar," it is likely:
Be cautious when downloading .rar files from unknown sources, as they are a common vector for malware. Always prefer official repositories like IEEE Xplore or ScienceDirect . Download x(P P) rar
The string may refer to specific mathematical logic or propositional functions: The term indicates a compressed file format
Citation Styles for the Sciences: IEEE Style - Library Guides Download x(P P) rar