(6steps total) PrintForm Definitions Lemmas core StandardLIB Search Doc
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: not over and 1
1. A : Prop
2. B : Prop
3. Dec(A)
4. (A & B)
  A  B
By: Decide A

Generated subgoals:

1 5. A
  A  B
2 steps
2 5. A
  A  B
1 step

About:
decidablepropandor
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html

(6steps total) PrintForm Definitions Lemmas core StandardLIB Search Doc