The Fregean Axiom and Polish mathematical logic in the 1920s

Investigations into the sentential calculus with identity.

Stephen L. Bloom, Roman Suszko · Notre Dame Journal of Formal Logic · 1972 · 89 citations · Full text

Natural Sciences, Mathematics, Differential Equations +4

The systems of Leśniewski in relation to contemporary logical research

Andrzej Grzegorczyk · Studia Logica · 1955 · 62 citations

Humanities, Philosophy, Logic +11

On matrix representations of consequence operations of Łlukasiewicz's sentential calculi

Ryszard Wójcicki · Mathematical logic quarterly · 1973 · 39 citations

Natural Sciences, Computer Science, Mathematics +14