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> R. Sylvan
R. Sylvan
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Directions in Relevant Logic
978-O-7923-O386-2
(O-7923-O386-5)
1989
J. Norman
R. S.
·
Rob Sylvan
·
Robin Sylvan
R. Sylvester-Bradley