Proof of the independence of the primitive symbols of Heyting's calculus of propositions
Mckinsey, J. C. C.
Proof of the independence of the primitive symbols of Heyting's calculus of propositions
The journal of symbolic logic. Vol. 4, Nº 4 December, 1939.
Heyting, Arend, 1898-1980
Logica Matematica
Calculo
Proof of the independence of the primitive symbols of Heyting's calculus of propositions
The journal of symbolic logic. Vol. 4, Nº 4 December, 1939.
Heyting, Arend, 1898-1980
Logica Matematica
Calculo