Revision history for entry Pollock, John L. (1967). "Logical validity in modal logic" [POLLVI] |
| Time | Type | Notes |
| 2012-03-18T10:02:30 | update | System / admin update - |
Revision history for entry Pollock, John L. (1967). "Logical validity in modal logic" [POLLVI] |
| Time | Type | Notes |
| 2012-03-18T10:02:30 | update | System / admin update - |