Example image of eyePlorer eyePlorer map for 'Philosophy of logic': Logic Mathematical logic Symbolic logic Philosophical logic Metalogic Proposition Sentence Statement Logical truth Interpretation (logic) Entailment Logical consequence Validity Corresponding conditional (logic) Ludwig Wittgenstein Fact Meaning Analytic-synthetic distinction Material conditional Identity of indiscernibles Law of excluded middle Philosophical realism Platonic realism Second-order logic Oxford University Press Daniel Kolak Formalism (mathematics) Kevin Mulligan Nathan Salmon Nuel Belnap Pascal Engel Gila Sher Michael Dummett Michael Levin Stephen Yablo Context principle Michael Neumann R. R. Rockingham Gill C. Anthony Anderson Logical constant Newton da Costa Valentin A. Bazhanov Luciano Floridi John Corcoran (logician) Philosophy Josiah Royce Hilary Putnam List of University of Pittsburgh people