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A comparison of two systems of point-free topology

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Gruszczyński R., Pietruszczak A.

Bulletin of the Section of Logic

2018

tom 47

nr 3

This is a spin-off paper to [3, 4] in which we carried out an extensive analysis of Andrzej Grzegorczyk’s point-free topology from [5]. In [1] Loredana Biacino and Giangiacomo Gerla presented an axiomatization which was inspired by the Grzegorczyk’s system, and which is its variation. Our aim is to compare the two approaches and show that they are slightly different. Except for pointing to dissimilarities, we also demonstrate that the theories coincide (in the sense that their axioms are satisfied in the same class of structures) in presence of axiom stipulating non-existence of atoms.

Ograniczanie wyników

1 Bulletin of the Section of Logic

1 Gruszczyński R.

1 Pietruszczak A.

1 2018

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A comparison of two systems of point-free topology