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        "Theorema Pythagoricum: de qvadratis laterum trianguli rectanguli succincta dissertatione demonstratum, qvam ex suffragio amplissimi Regiae Acad. Aboënsis philosophorum collegii, praeside Laur: Tammelin. mathes: prof. ord: & fac: phil. dec. Pro gradu magisterii, ad publicam censuram defert Pet. Petrejus in auditorio majori die 15 Septembris, anni Christi M. DCC",
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