Hatcher, William S. Theory and applications of syntactical notion of the equivalence of formal logical systems / William S. Hatcher

Theory and applications of syntactical notion of the equivalence of formal logical systems / William S. Hatcher . - xxa Neichatel xxa-fimyyc Impremerie Nouvelle L. A. Monier yyc-fim, 1964 . - 83 p. 23 cm Sintaxe
Lógica
Pragmática