Introduction to modal logic
Hughes, G.E.
Introduction to modal logic - - London : Routledge, 1972 1972 - xi,388 p. 21.5 cm - .
0-415-04313-16
Modality (Logic)
16 Hug
Introduction to modal logic - - London : Routledge, 1972 1972 - xi,388 p. 21.5 cm - .
0-415-04313-16
Modality (Logic)
16 Hug