| Main Entry | R | I | S | M | B | C | N |
| pacifism | X | X | |||||
| Paganism | X | ||||||
| Pai chia | X | ||||||
| Pain | X | ||||||
| Paine, Thomas | X | X | |||||
| Painting | X | ||||||
| Paley, William | X | X | X | ||||
| Palingenesis | X | ||||||
| Panaetius | X | ||||||
| Pan-entheism | X | ||||||
| Panlogism | X | ||||||
| Pan-objectivism | X | ||||||
| Panpneumatism | X | ||||||
| Panpsychism | X | X | X | X | |||
| Pan-Satanism | X | ||||||
| Pantheism | X | X | X | X | X | ||
| Pantheism, medieval | X | ||||||
| Pantheistic Personalism | X | ||||||
| Paracelsus, Theophrastus Bombast | X | X | |||||
| Paraclete | X | ||||||
| paradigm | X | ||||||
| Paradigma | X | ||||||
| paradox | X | ||||||
| paradox, liar | X | ||||||
| paradox, St. Petersburg | X | ||||||
| Paradoxes, logical | X | ||||||
| parallel distributed | X | ||||||
| Parallelism | X | X | X | ||||
| Parallelism, psychophysical | X | ||||||
| Paralogism | X | ||||||
| Paramanu | X | ||||||
| Paramarthika | X | ||||||
| Parapsychology | X | ||||||
| Parcaratra | X | ||||||
| parenthood and procreation | X | ||||||
| Pareto, Vilfredo | X | ||||||
| Parinama-vada | X | ||||||
| Parmenides | X | X | X | ||||
| paronymous | X | ||||||
| Parousia | X | ||||||
| Parsimony, Law of | X | X | |||||
| Particular | X | ||||||
| Particular proposition | X | X | |||||
| Particulate | X | ||||||
| Parva Naturalia | X | ||||||
| Pascal, Blaise | X | X | X | ||||
| Pascal's wager | X | ||||||
| passions | X | ||||||
| Passive Empiricism | X | ||||||
| Past | X | ||||||
| Past-Time | X | ||||||
| Patanjali | X | ||||||
| paternalism | X | ||||||
| patriarchy | X | ||||||
| Patripassianism | X | ||||||
| Patristic Philosophy | X | ||||||
| Patrizi, Francesco | X | ||||||
| Patterns of learning | X | ||||||
| Paul of Venice | X | ||||||
| Peano, Giuseppe | X | X | |||||
| Peirce, Benjamin | X | ||||||
| Peirce, Charles Sanders | X | X | X | ||||
| _logic | X | ||||||
| Peirce's law | X | ||||||
| Pelagianism | X | X | |||||
| Pelagius | X | ||||||
| Penbygull, William | X | ||||||
| per se / per accidens | X | ||||||
| Perception | X | X | X | X | |||
| Perception, the contents of | X | ||||||
| Perception, epistemological problems of | X | ||||||
| Perception, non-sensory | X | ||||||
| Perception, the problem of | X | ||||||
| Perception, pure | X | ||||||
| Percepts | X | ||||||
| perceptual illusion | X | ||||||
| Perfectibility | X | X | |||||
| Perfectionism | X | ||||||
| performative utterance | X | ||||||
| Peripatetics | X | X | X | ||||
| Peripety | X | ||||||
| perlocutionary act | X | ||||||
| Perry, Ralph Barton | X | X | |||||
| Perseity | X | ||||||
| Persian Philosophy | X | ||||||
| Persistence | X | ||||||
| Person | X | X | X | ||||
| person, moral | X | ||||||
| Personal Equation | X | ||||||
| Personal Idealism | X | ||||||
| Personal Identity | X | X | X | ||||
| Personal Realism | X | ||||||
| Personalism | X | ||||||
| Personalism, Critical | X | ||||||
| Personalistics | X | ||||||
| Personality | X | ||||||
| Perspective | X | ||||||
| perspectivism | X | ||||||
| persuasive definition | X | ||||||
| Pessimism | X | X | X | ||||
| Peter of Spain [= Petrus Hispanus] | X | ||||||
| Petites Perceptions | X | ||||||
| Petitio principii | X | X | |||||
| Phala | X | ||||||
| Phantasm | X | ||||||
| Phantasy | X | ||||||
| Pharisaism | X | ||||||
| Phase | X | ||||||
| Phase Rule | X | ||||||
| Phenomena | X | ||||||
| Phenomenal World | X | ||||||
| Phenomenalism | X | X | X | X | |||
| Phenomenological Personalism | X | ||||||
| Phenomenology | X | X | X | X | |||
| Phenomenon | X | X | X | ||||
| philia (filia) | X | ||||||
| Philip the Chancellor | X | ||||||
| Philo Judaeus | X | ||||||
| Philo of Alexandria | X | ||||||
| Philolaus | X | ||||||
| Philoponus | X | ||||||
| Philosopheme | X | ||||||
| Philosopher King | X | ||||||
| Philosopher, The | X | ||||||
| Philosophes | X | ||||||
| Philosophical Psychology | X | ||||||
| Philosophy | X | X | X | ||||
| Philosophy of Change | X | ||||||
| Philosophy of Discontinuity | X | ||||||
| Philosophy of Effort | X | ||||||
| Philosophy of Mind | X | X | |||||
| philosophy of psychology | X | ||||||
| Philosophy of Religion | X | ||||||
| Phoronomy | X | ||||||
| Phrónesis (fronhsiV) | X | X | |||||
| Physical essence | X | ||||||
| Physicalism | X | X | X | X | X | ||
| Physico-Theological Argument | X | ||||||
| Physico-Theology | X | ||||||
| Physics | X | ||||||
| physics, experiment in | X | ||||||
| physics, history of | X | ||||||
| physics, holism and nonseparability | X | ||||||
| physics, intertheory relations in | X | ||||||
| physics, Reichenbach's Common Cause Principle | X | ||||||
| physics, structuralism in | X | ||||||
| physics, symmetry and symmetry breaking | X | ||||||
| Physis | X | ||||||
| physis (fusiV) | X | ||||||
| Piaget, Jean | X | ||||||
| Pico della Mirandola | X | ||||||
| Picturesque | X | ||||||
| Pieh Mo | X | ||||||
| Pien | X | ||||||
| Pien che | X | ||||||
| Pien hua che | X | ||||||
| Pietism | X | ||||||
| Ping t'ien hsia | X | ||||||
| pístis (pistiV) | X | ||||||
| Pistology | X | ||||||
| Pitts, Walter J. | X | ||||||
| Pity | X | ||||||
| pity, appeal to | X | ||||||
| Planck, Max | X | X | |||||
| Planck's constant | X | ||||||
| plans | X | ||||||
| Plastic | X | ||||||
| Plato | X | X | X | X | |||
| _ethics | X | ||||||
| _ethics and politics in The Republic | X | ||||||
| _friendship and eros | X | ||||||
| _middle period metaphysics and epistemology | X | ||||||
| _on knowledge in the Theaetetus | X | ||||||
| _on utopia | X | ||||||
| _rhetoric and poetry | X | ||||||
| _shorter ethical works | X | ||||||
| Platonic Realism | X | ||||||
| Platonism | X | X | X | ||||
| Platonism, in metaphysics | X | ||||||
| Platonism, medieval | X | ||||||
| Pleasure and pain | X | ||||||
| Pleasures of the imagination | X | ||||||
| Plekhanov, George Valentinovich | X | ||||||
| plenitude, principle of | X | ||||||
| Pleroma | X | ||||||
| Plotinism | X | ||||||
| Plotinus | X | X |