论文信息 - A Theorem Concerning the Composition of Functions of Several Variables Ranging Over a Finite Set - 字舞流文

A Theorem Concerning the Composition of Functions of Several Variables Ranging Over a Finite Set

[1] Sophie Piccard,et al. Sur les fonctions définies dans les ensembles finis quelconques , 1935 .

[2] Emil L. Post. Introduction to a General Theory of Elementary Propositions , 1921 .