[[1] Badiou A. Logics of worlds. N.Y. Continuum, 2009]Search in Google Scholar
[[2] Badiou A. Mathematics of the Transcendental. – N.Y. Bloomsbury, 201410.5040/9781474292924]Search in Google Scholar
[[3] Borceux F. Handbook of categorical algebra Vol. 3. Categories of sheaves. – UK, Cambridge University Press, 199410.1017/CBO9780511525858]Search in Google Scholar
[[4] Goguen, J.A. L-fuzzy sets. Journal of Mathematical Analysis and Applications 18(1), 196710.1016/0022-247X(67)90189-8]Search in Google Scholar
[[5] Goldblatt R. Topoi. The categorial analysis of logic. – N.Y. Dover Publications, Inc. 2006]Search in Google Scholar
[[6] Grothendieck A. Sur quelques points d’algèbre homologique, I. Tôhoku Math. J. (2) 9, 1957, no. 2, 119–22110.2748/tmj/1178244839]Search in Google Scholar
[[7] Higgs D. A category approach to Boolean-valued set theory (Unpublished)]Search in Google Scholar
[[8] Johnstone P. The Sketches of The Elephant. Vol. 2, Part D. Toposes as theories.]Search in Google Scholar