2025-11-23

1452: \(\pi\)-System on Set

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definition of \(\pi\)-system on set

Topics


About: set

The table of contents of this article


Starting Context



Target Context


  • The reader will have a definition of \(\pi\)-system on set.

Orientation


There is a list of definitions discussed so far in this site.

There is a list of propositions discussed so far in this site.


Main Body


1: Structured Description


Here is the rules of Structured Description.

Entities:
\( S\): \(\in \{\text{ the sets }\}\)
\(*P\): \(\subseteq Pow (S)\)
//

Conditions:
\(P \neq \emptyset\)
\(\land\)
\(\forall p_1, p_2 \in P (p_1 \cap p_2 \in P)\)
//


References


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