Proposition (Son étude analytique), [112]

Protestation, [428]

Prototype, [133]

Proudhon, [387]

Prouhet, [304]

Providence, [147]

Ptolémée, [111], [121], [126], [273], [462]

Roi Ptolémée, [180]

Puits (Problème du), [507]

Pyramides, [119], [319]