Let ${\displaystyle F:C\to D}$be left adjoint to ${\displaystyle G:D\to C}$(${\displaystyle F\dashv G}$). Does it follow that ${\displaystyle G^{op}:D^{op}\to C^{op}}$is left adjoint to ${\displaystyle F^{op}:C^{op}\to D^{op}}$(${\displaystyle G^{op}\dashv F^{op}}$)? Merry Christmas and Happy New Year, GeoffreyT2000 (talk, contribs) 19:28, 25 December 2016 (UTC)[reply]