Polysyllogism a series of syllogisms connected by the fact that the...

Pomponazzi Pietro (1462–1525), Italian philosopher, an Aristotelian who taught at the...

Pons asinorum (Latin 'asses' bridge'), a methodological device based upon Aristotle's description of...

Popper Karl Raimund (1902–94), Austrian-born British philosopher best known for contributions...

Porphyry (c.232–c.304), Greek Neoplatonist philosopher, second to Plotinus in influence. He...

Port-Royal Logic originally entitled La logique, ou L'art de penser, a treatise...

Posidonius See ACADEMY, COMMENTARIES ON. PLATO , STOICIS.

Positional qualities See QUALITIES.

Positive and negative freedom respectively, the area within which the individual is self-determining and...

Positive duty See DUTY.

Positive feedback See CYBERNETICS.

Positive freedom See POSITIVE AND NEGATIVE FREE-. DO.

Positive morality See JURISPRUDENCE.

Positivism, legal See JURISPRUDENCE, LEGAL POSI -. TIVIS.

Positivism, logical See COMTE, LOGICAL POSITIVISM.

Possibilia See NECESSITY, POSSIBLE WORLDS.

Possibilist See EPISTEMIC LOGIC.

Possibility See NECESSITY.

Possibility, epistemic See EPISTEMIC LOGIC.

Possible worlds alternative worlds in terms of which one may think of...

Possible worlds semantics See KRIPKE SEMANTICS,. POSSIBLE WORLD.

Post hoc, ergo propter hoc See INFORMAL FALLACY.

Post-complete See COMPLETENESS.

Post-structuralism See CONTINENTAL PHILOSOPHY,. LYOTARD , STRUCTURALIS. potency, for Aristotle, a...

Postcard paradox See SEMANTIC PARADOXES.

Postmodern of or relating to a complex set of reactions to...

Potentiality, first See ARISTOTLE.

Potentiality, second See ARISTOTLE.

Pour soi See SARTRE.

Poverty of the stimulus a psychological phenomenon exhibited when behavior is stimulusunbound, and hence...