Plateau, [186]

Platon, [25], [33], [120], [146], [147], [153], [241], [289], [311], [397], [416], [466]

Pluralité des mondes, [265], [442], [457]

Plus haut, [246]

Plus tard, [235]

Plutarque, [196], [374]

Poe, [194], [363]

H. Poincaré, [53], [142], [143], [395]

Poinsot, [28], [39], [155], [383]

Poisson, [31], [57], [158], [203], [275], [359]