| Philosophical logic by D. J. Hockney, W. K. Wilson - 1969 - 277 pages |
| Philosophical Logic by Donald H. Weiss - 1968 - 176 pages |
| Philosophical logic - 1967 - 177 pages |
| Philosophical Papers: Volume 1, Human Agency and Language by Charles Taylor - 1985 - 294 pages |
| Philosophical Papers: Volume 2, Mind, Language and Reality by Hilary Putnam - 1979 - 457 pages |
| Philosophical Papers: Volume 2, Philosophy and the Human Sciences by Charles Taylor - 1985 - 340 pages |
| Philosophical Problems Today - 1994 - 232 pages |
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| Philosophical reasoning by John Arthur Passmore - 1969 - 149 pages |
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| Philosophical Theories of Probability by Donald Gillies - 2000 - 223 pages |
| Philosophie by François Wahl - 1973 - 192 pages |
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| Philosophische Grammatik by Ludwig Wittgenstein, Rush Rhees - 1973 - 490 pages |
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| Philosophy and logic in Central Europe from Bolzano to Tarski by Peter Simons - 1992 - 441 pages |
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| Philosophy at the Boundary of Reason by Patrick L. Bourgeos - 2001 - 280 pages |
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| Philosophy in a new key by Susanne Katherina Knauth Langer - 1960 - 313 pages |
| Philosophy in a new key by Susanne Katherina Knauth Langer - 1957 - 313 pages |
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| Philosophy of Logic by Hilary Putnam - 1972 - 76 pages |
| Philosophy of logic by Hilary Putnam - 1971 - 76 pages |
| Philosophy of logic by Willard Van Orman Quine - 1970 - 109 pages |
| Philosophy of logic by Willard Van Orman Quine - 1970 - 109 pages |
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| Philosophy of Mathematics by Charles S. Peirce - 2010 - 336 pages |
| Philosophy of Mind by Mel Thompson - 2012 - 192 pages |
| Philosophy of space and time and the inner constitution of nature by Michael Whiteman - 1967 - 436 pages |
| Phosphorus philosophicus novissimus by Johann Flender - 1712 |
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| Picture logic by Alfred James Swinbourne - 1887 - 188 pages |
| Platone, Hegel e la dialettica by Raffaella Santi - 2000 - 300 pages |
| Platonism and Anti-Platonism in Mathematics by Los Angeles Mark Balaguer Associate Professor of Philosophy California State University - 1998 - 240 pages |
| Platonism and Anti-Platonism in Mathematics by Los Angeles Mark Balaguer Associate Professor of Philosophy California State University - 1998 - 240 pages |
| Plausible Reasoning by Nicholas Rescher - 1976 - 124 pages |
| Polanyian meditations by William H. Poteat - 1985 - 329 pages |
| Polanyian meditations by William H. Poteat - 1985 - 329 pages |
| Polarity, dialectic, and organicity by Archie J. Bahm - 1976 - 287 pages |
| Polarity, dialectic, and organicity by Archie J. Bahm - 1970 - 287 pages |
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| Possibility by Michael Jubien - 2009 - 240 pages |
| Possibility by Michael Jubien - 2009 - 240 pages |
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| Possibility by Scott Buchanan - 2000 - 198 pages |
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| Practical inferences by Richard Mervyn Hare - 1971 - 120 pages |
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| Practical logic by Vincent E. Barry, Douglas J. Soccio - 1988 - 490 pages |
| Practical logic by Vincent E. Barry - 1976 - 384 pages |
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| Practical reason by Georg Henrik Wright - 1983 - 214 pages |
| Practical Reason by G. H. von Wright - 1983 - 214 pages |
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| Pratical Induction by Elijah Millgram - 1997 - 184 pages |
| Predictive simplicity by Kenneth S. Friedman - 1990 - 195 pages |
| Preparando El Regreso a Lo Real by Celedonio Ramírez - 1999 - 356 pages |
| Presidential addresses of the American Philosophical Association, 1901-1910 by Richard T. Hull, American Philosophical Association - 1999 - 360 pages |
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| Presuppostion & Transcendental Inference by Humphrey Palmer - 1985 - 208 pages |
| Presuppostion & Transcendental Inference by Humphrey Palmer - 1985 - 208 pages |
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| Primer of logical analysis by Josiah Royce - 1881 - 77 pages |
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| Principes de logique suivis de l'histoire et de la bibliographie de cette science by Frédéric Auguste Ferdinand De Reiffenberg (baron) - 1833 - 419 pages |
| Principes logiques by Antoine Louis Claude Destutt de Tracy (comte) - 1817 - 101 pages |
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| Prior Analytics by Aristotle - 2006 - 232 pages |
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| Prior Analytics by Aristote - 2006 - 196 pages |
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| Prior Analytics by Aristotle - 2004 - 108 pages |
| Probabilistic Thinking, Thermodynamics and the Interaction of the History and Philosophy of Science - 1980 - 352 pages |
| Probability and inductive logic by Henry Ely Kyburg - 1970 - 272 pages |
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| Probleme der wissenschaft: t. Die grundbegriffe der wissenschaft by Federigo Enriques - 1910 |
| Probleme der wissenschaft: t. Die grundbegriffe der wissenschaft by Federigo Enriques - 1910 |
| Probleme der Wissenschaft: t. Die grundbegriffe der wissenschaft by Federigo Enriques - 1910 |
| Probleme der wissenschaft: t. Wirklichkeit und logik by Federigo Enriques - 1910 |
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| Problemi na logikata - 1979 |
| Problemi na logikata - 1973 |
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| Problems in logic by Charles Henry Patterson - 1926 - 331 pages |
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| Problems of science by Federigo Enriques - 1914 - 392 pages |
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| R.G. Collingwood An Introduction by Peter Johnson - 1998 - 154 pages |
| Race by Hannah Franziska Augstein - 1996 - 260 pages |
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