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References
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1. |
G. Takeuti, Teoriya dokazatelstv, Mir, M., 1978 |
2. |
Dzh. Shenfild, Matematicheskaya logika, Nauka, M., 1975 |
3. |
S. Feferman, “Arithmetization of metamathematic in general setting”, Fund. Math., 49 (1960), 35–92 |
4. |
Handbook of Mathematical logic, N.H.P.C., 1977 |
5. |
K. Gödel, “Veber formal unentscheidbare Satze der Principia Mathematica und verwandter Systeme”, J. Math. Phys., 38 (1931), 173–198 |