as.relation.kstructure
                        Surmise Relations of Knowledge Structures
closure.kstructure      Closure of a Knowledge Structure
kassess                 Assess Individuals
katoms                  Atoms of Knowledge Structures
kbase                   Base of a Knowledge Space
kdomain                 Domain of Knowledge Structures
knotions                Notions of Knowledge Structures
kstructure              Knowledge Structure
kstructure_is_kspace    Space Property of a Knowledge Structure
ktrace                  Trace of Knowledge Structures
kvalidate               Validate Prerequisite Relations or Knowledge
                        Structures
plot.kstructure         Plot Knowledge Structures
reduction.kstructure    Reduction of Knowledge Structures
