BibTeX: |
@article{Kuratowski_Closure_Complement-AFP,
author = {Peter Gammie and Gianpaolo Gioiosa},
title = {The Kuratowski Closure-Complement Theorem},
journal = {Archive of Formal Proofs},
month = oct,
year = 2017,
note = {\url{http://isa-afp.org/entries/Kuratowski_Closure_Complement.html},
Formal proof development},
ISSN = {2150-914x},
}
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