R
- Radhakrishnan, Sarvepalli
- Radical Interpretation and Indeterminacy of Translation
- Rahner, Karl
- Rāmānuja
- Rand, Ayn
- Rationalism, Continental
- Rawls, John
- Realism and Antirealism, Scientific
- Realism, Moral
- Recognition, Social and Political
- Reductio ad Absurdum
- Reductionism
- Referential Opacity, Frege’s Problem:
- Reformed Epistemology
- Reichenbach, Hans
- Reid, Thomas
- Relational Models Theory
- Relativism
- Reliabilism
- Religion and Politics
- Religion, Philosophy of
- Religious Disagreement
- Religious Diversity, Theories of
- Religious Epistemology
- Religious Language
- Religious Pluralism
- Renaissance Philosophy
- Renaissance Skepticism
- Representation, Scientific
- Rescher, Nicholas
- Resource Bounded Agents
- Responsibility
- Responsibility, Collective Moral
- Resurrection
- Revolution, Political
- Ricoeur, Paul
- Rights, Human
- Rights and Obligations of Parents
- Rorty, Richard
- Roy, M. N.
- Ross, William David
- Royce, Josiah
- Rousseau, Jean-Jacques
- Rufus, Musonius
- Russell, Bertrand
- Russian Philosophy
An encyclopedia of philosophy articles written by professional philosophers.