(TeX-add-style-hook "sage-slides"
 (lambda ()
    (LaTeX-add-environments
     "thm")
    (TeX-add-symbols
     '("field" 1)
     '("page" 1)
     "dblue"
     "dblack"
     "SAGE"
     "sage")
    (TeX-run-style-hooks
     "xspace"
     "amsthm"
     "amssymb"
     "amsfonts"
     "amsmath"
     "listings"
     "color"
     "pstricks"
     "graphicx"
     "ngerman"
     "inputenc"
     "utf8x"
     "beamerarticle"
     "comment"
     "latex2e"
     "beamer10"
     "beamer"
     "9pt")))

