Classically axiomatizable modal propositional calculi
containing the system T of Feys-von Wright
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20-24 5/1 | |
Semantics of Kripke's style for some modal systems
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63-67 5/2 | |
A note on incompleteness of modal logics with respect to neighbourhood semantics
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185-190 7/4 | |
An example concerning the lattice of the structural consequence operations
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48-53 8/2 | |
On strongly finite consequence operations
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87-94 8/2 | |
An example of strongly finite consequence operation with 2ω standard strengthenings
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95-98 8/2 | |
A variety generated by a finite algebra with 2ω subvarieties
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2-9 9/1 | |
The degrees of maximality of the intuitionistic propositional logic
and of some of its fragments
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136-140 9/3 | |
On matrices characteristic of relevant logics
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113-115 10/3 | |
Non-existence of a countable strongly adequate matrix semantics for neighbours of E
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170-176 10/4 | |
Concerning axiomatizability of the quasivariety
generated by a finite Heyting or topological Boolean algebra
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177-180 10/4 | |
There are 2ω logics with the relevance principle between R and RM
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161-168 11/3-4 | |
Quasivariety generated by a finite Sugihara structure has finitely many subquasivarieties
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27-31 12/1 | |
Structural completeness of modal logics containing K4
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32-36 12/1 | |
On distributivity of the lattice of subquasivarieties of a variety of Heyting algebra
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37-40 12/1 | |
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