Pre-topological spaces with 2 axioms
Pretopology
Quizzed article REF: AF96 V1
Pre-topological spaces with 2 axioms
Pretopology

Author : Jean-Charles PINOLI

Publication date: February 10, 2020, Review date: May 7, 2021 | Lire en français

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10.  Pre-topological spaces with 2 axioms

10.1  Day's pre-topological spaces

Definition (Day's pre-topological space (1940)). A Day's pre-topological space is a non-empty set E with a pre-closure operator cl(.) satisfying the axioms (K Gr ) and (K Iso ) (p. 190 of

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