(5steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc
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At: gcd sym 1 1

1. a : 
2. b : 
3. y:. GCD(a;b;y) & gcd(a;b) = y
4. y:. GCD(b;a;y) & gcd(b;a) = y
  gcd(a;b) ~ gcd(b;a)


By: ((New [`y2'] (Analyze 4)) THEN (New [`y1'] (Analyze 3))) THEN RepD


Generated subgoal:

1 3. y1 : 
4. GCD(a;b;y1)
5. gcd(a;b) = y1
6. y2 : 
7. GCD(b;a;y2)
8. gcd(b;a) = y2
  gcd(a;b) ~ gcd(b;a)

2 steps

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

(5steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc