A formal system of negationless arithmetic that is conservative with respect to heyting arithmetic
Matematičeskie zametki, Tome 36 (1984) no. 4, pp. 583-592
@article{MZM_1984_36_4_a11,
author = {V. N. Krivtsov},
title = {A formal system of negationless arithmetic that is conservative with respect to heyting arithmetic},
journal = {Matemati\v{c}eskie zametki},
pages = {583--592},
year = {1984},
volume = {36},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_4_a11/}
}
V. N. Krivtsov. A formal system of negationless arithmetic that is conservative with respect to heyting arithmetic. Matematičeskie zametki, Tome 36 (1984) no. 4, pp. 583-592. http://geodesic.mathdoc.fr/item/MZM_1984_36_4_a11/