Non-Equivalent Formulae in one Variable in A Strong Omnitemporal Modal Logic.Published in:Mathematical Logic Quarterly, 1981, v. 27, n. 7, p. 111, doi. 10.1002/malq.19810270703By:Makinson, DavidPublication type:Article
The ϱ-Calculus.Published in:Mathematical Logic Quarterly, 1981, v. 27, n. 7, p. 97, doi. 10.1002/malq.19810270702By:Jones, C. K. R. T.;Kelemen, P. J.Publication type:Article
Masthead.Published in:Mathematical Logic Quarterly, 1981, v. 27, n. 7, p. fmi, doi. 10.1002/malq.19810270701Publication type:Article