00898nam a2200253 i 450099100312763970753620020503183825.0000908s1968 uk ||| | eng b10462168-39ule_instEXGIL115607ExLBiblioteca Interfacoltàita160Hughes, George Edward465038An introduction to modal logic /G. E. Hughes [and] M. J. CresswellLondon :Methuen,1968XII, 388 p. :ill. ;23 cm.Modalità <logica>Cresswell, M. J..b1046216802-04-1427-06-02991003127639707536LE002 Fil. X L 1512002000534040le002-E0.00-l- 00000.i1053486627-06-02Introduction to modal logic222062UNISALENTOle00201-01-00ma -enguk 31