(6steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc
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At: divides anti sym 1 1 1

1. a : 
2. b : 
3. |a| | |b|
4. |b| | |a|
  |a| = |b|


By: AssertLemma Thm* a,b:a | b  b | a  a = b []


Generated subgoal:

1 5. a,b:a | b  b | a  a = b
  |a| = |b|

2 steps

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

(6steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc