Topos Theory as a Mathematical Universe - Lecture 2

          @misc{ scivideos_PIRSA:11040117,
            doi = {},
            url = {https://pirsa.org/11040117},
            author = {Flori, Cecilia},
            keywords = {},
            language = {en},
            title = {Topos Theory as a Mathematical Universe - Lecture 2},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2011},
            month = {may},
            note = {PIRSA:11040117 see, \url{https://scivideos.org/index.php/pirsa/11040117}}
          }