(2steps total) PrintForm Definitions Lemmas list 1 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: assert of null

  T:Type, as:T List. null(as as = nil

By: UnivCD THEN Analyze -1 THEN AbReduce 0 THEN RW bool_to_propC 0


Generated subgoal:

1 1. T : Type
2. T List
3. u : T
4. v : T List
5. u.v = nil
  False

1 step

About:
listnilassertuniverseequalfalseall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(2steps total) PrintForm Definitions Lemmas list 1 Sections StandardLIB Doc