On Łukasiewicz's Four-Valued Modal Logic

Foundations of Mathematical Logic.

Elliott Mendelson, Haskell B. Curry · American Mathematical Monthly · 1965 · 456 citations

Humanities, Computer Science, Mathematics +12

Algebraic semantics for modal logics II

E. J. Lemmon · Journal of Symbolic Logic · 1966 · 198 citations

Humanities, Computer Science, Mathematics +13

What is a syllogism?

Timothy Smiley · Journal of Philosophical Logic · 1973 · 168 citations

Social Sciences, Anatomy, Philosophy Of Mind +2

Algebraic semantics for modal logics I

E. J. Lemmon · Journal of Symbolic Logic · 1966 · 115 citations

Humanities, Computer Science, Mathematics +11

Syllogism and quantification

Timothy Smiley · Journal of Symbolic Logic · 1962 · 64 citations

Humanities, Mathematics, Philosophy +12