1 - Proofs and refutations : the logic of mathematical discovery |
2 - A theory of formal deducibility |
3 - Algebraic methods of mathematical logic |
4 - Algebraic systems |
5 - An essay in modal logic |
6 - An introduction to symbolic logic - Second revised edition |
7 - Aspects of mathematical logic, Centro internazionale matematico estivo III Ciclo - Varenna, 9-17 Settembre 1968 |
8 - Begriffsschrift und andere Aufsätze |
9 - Cabal Seminar 76-77 : proceedings, Caltech-UCLA logic seminar 1976-1977 |
10 - Cambridge Summer school il mathematical logic : held in Cambridge/England, August 1 - 21, 1971 |