![](/img/cover-not-exists.png)
On Variable Functors of Propositional Argumentsby Jan Łukasiewicz;On an Extended System of the Propositional Calculusby C. A. Meredith
Review by: Alonzo ChurchVolume:
16
Language:
english
Journal:
The Journal of Symbolic Logic
DOI:
10.2307/2266436
Date:
September, 1951
File:
PDF, 331 KB
english, 1951