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"On regular modal logics with axiom □ ⊤ → □□ ..."
Kazimierz Swirydowicz (1990)
- Kazimierz Swirydowicz:
On regular modal logics with axiom □ ⊤ → □□ ⊤. Stud Logica 49(2): 171-174 (1990)
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