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math.RA2026
Lattices and semilattices derived from commutative rings of characteristic 2 satisfying the identity
Ivan Chajda, Miroslav Kolařík, Helmut Länger
We prove that a commutative ring of characteristic satisfying the identity together with the binary relation on defined by…
math.RA2019
Varieties corresponding to classes of complemented posets
Ivan Chajda, Miroslav Kolařík, Helmut Länger
As algebraic semantics of the logic of quantum mechanics there are usually used orthomodular posets, i.e. bounded posets with a complementation which is an antitone involution and…