共 11 条
[1]
GENTZEN, 1969, COLLECTED PAPERS G G
[2]
GENTZEN, 1936, MATHEMATISCHE Z, V41, P357
[4]
JEFFREY, 1967, FORMAL LOGIC
[5]
JEFFREY R, 1974, COMPUTABILITY LOGIC, pCH18
[6]
MATES, 1972, ELEMENTARY LOGIC
[7]
QUINE, 1972, METHODS LOGIC
[8]
QUINE, 1969, SET THEORY ITS LOGIC, P258
[9]
QUINE, 1970, PHILOSOPHY LOGIC
[10]
SKOLEM T, 1970, SELECTED WORKS LOGIC, P67