Volume 31; Issue 2

1

Verification, falsification, and cancellation in ${\rm KT}$.

Year:
1990
Language:
english
File:
PDF, 586 KB
english, 1990
2

Models for inconsistent and incomplete differential calculus.

Year:
1990
Language:
english
File:
PDF, 1.31 MB
english, 1990
3

Relevance and paraconsistency---a new approach. II. The formal systems.

Year:
1990
Language:
english
File:
PDF, 3.37 MB
english, 1990
4

Validity and satisfaction in imperative logic.

Year:
1990
Language:
english
File:
PDF, 1.92 MB
english, 1990
5

Two hypergraph theorems equivalent to ${\rm BPI}$.

Year:
1990
Language:
english
File:
PDF, 945 KB
english, 1990
6

The modal logic of pure provability.

Year:
1990
Language:
english
File:
PDF, 712 KB
english, 1990
8

Natural deduction in normal modal logic.

Year:
1990
Language:
english
File:
PDF, 1.09 MB
english, 1990