Journal of Formalized Mathematics
Volume 1, 1989
University of Bialystok
Copyright (c) 1989 Association of Mizar Users

Boolean Properties of Sets

Zinaida Trybulec
Warsaw University, Bialystok
Halina Swieczkowska
Warsaw University, Bialystok


The text includes a number of theorems about Boolean operations on sets: union, intersection, difference, symmetric difference; and relations on sets: meets (having non-empty intersection), misses (being disjoint) and subset (inclusion).

Supported by RPBP.III-24.C1. {\it Editor's Note:} This work has won the 1990 Le\'sniewski's Award of the Mizar Society.

MML Identifier: BOOLE

The terminology and notation used in this paper have been introduced in the following articles [1]


  1. Main Part
  2. Addendum


[1] Andrzej Trybulec. Tarski Grothendieck set theory. Journal of Formalized Mathematics, Axiomatics, 1989.

Received January 6, 1989

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