 | English Logic and Semantics, from the End of the Twelfth Century to the Time of Ockham and Burleigh : Acts of the 4th European Symposium on Mediaeval Logic and Semantics, Leiden-Nijmegen, 23-27 April 1979 |
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| English Logic and Semantics, from the End of the Twelfth Century to the Time of Ockham and Burleigh : Acts of the 4th European Symposium on Mediaeval Logic and Semantics, Leiden-Nijmegen, 23-27 April 1979 |