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Regular modal logics inconsistent if LT is added: a contribution to the topography of the lattice of modal logics
Kazimierz Świrydowicz
Bulletin of the Section of Logic , 21 /2 (1992) s. 47-54
Kazimierz Świrydowicz
Bulletin of the Section of Logic
, 21
/2
(1992)
s. 47-54