1. A companion to modal logic /
Author: G.E. Hughes, M.J. Cresswell.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Modality (Logic)
Classification :
BC199
.
M6
H795
1984
2. A new introduction to modal logic
Author: G. E. Hughes, M. J. Cresswell
Library: Central Library and Document Center of Shahid Madani University of Azarbayjan (East Azarbaijan)
Subject: Logic - Modality
Classification :
BC
,
199
,.
H8
,
1996
