CT is a scripted functor providing an interface for cotangent cohomology calculations. CT^1 is equivalent to cotangentCohomology1 and CT^2 is equivalent to cotangentCohomology2.
The object CT is a scripted functor.
The source of this document is in /__w/M2/M2/macaulay2-1.26.05+ds/M2/Macaulay2/packages/VersalDeformations.m2:1792:0.