AAn introduction to modal logicAn introduction to modal logicde G. E. Hughes · Publicada por primera vez en 1968MateriasModality (Logic)Ediciones (1)An introduction to modal logic (1968)Methuen · inglésMás obras de G. E. HughesEElements of formal logicElements of formal logic1965TThe elements of formal logic [by] G.E. Hughes [and] D.G. LonThe elements of formal logic [by] G.E. Hughes [and] D.G. Londey1965NNew Introduction to Modal Logic
TThe elements of formal logic [by] G.E. Hughes [and] D.G. LonThe elements of formal logic [by] G.E. Hughes [and] D.G. Londey1965