Originally Posted by VandalSquirrel

I thought Phi Mu didn't change from Philomathean Society until 1904, which was after the NPC was founded in 1902. The Adelphean Society didn't even become Alpha Delta Pi until 1905 (after being Alpha Delta Phi), and this is all after Gamma Phi Beta founded in 1874, and "sorority" came into use. I'm not following your logic.