(22steps total) Remark PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: atomic char 1

1. a : 
2. a = 0
3. (a ~ 1)
4. reducible(a)
5. b : 
6. b | a
  (b ~ 1)  (b ~ a)


By: (NegateConcl2 THENA BackThru Thm* Dec(P Stable{P})
THEN
(RWH (LemmaC Thm* (A  B A & B) -1)
THEN
(Analyze -1)


Generated subgoal:

1 7. (b ~ 1)
8. (b ~ a)
  False

6 steps

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

(22steps total) Remark PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc