| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Classical Sigma-2 | 3 | Rectangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Contrariety 3-clique | 3 | Triangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Classical Sigma-2 | 3 | Rectangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Contrariety 3-clique | 3 | Triangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Classical Sigma-2 | 3 | Rectangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Contrariety 3-clique | 3 | Triangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Classical Sigma-2 | 3 | Rectangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 22, by Fogelin, Robert J. | 1967 | Contrariety 3-clique | 3 | Triangle |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 32, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 32, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 37, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 43, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 60, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 82, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 104, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 105, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 154, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 154, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 154, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 154, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 154, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 155, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Evidence and Meaning. Studies in Analytic Philosophy, p. 168, by Fogelin, Robert J. | 1967 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Temporal modalities in Arabic logic, p. 34, by Rescher, Nicholas | 1967 | Classical Sigma-2 | 3 | Rectangle |
| | Begriffsschrift, a formula language, modeled upon that of arithmetic, for pure thought, p. 28, by Frege, Gottlob; Bauer-Mengelberg, Stefan (trans.) | 1967 | Classical Sigma-2 | 3 | Rectangle |