Nuprl - Proof: gcd exists n 1 2 1 1 1 1 1

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At: gcd exists n 1 2 1 1 1 1 1

1. b :

b1:

. b1<b

(

. GCD(a;b1;y))
3. a :

b = 0
5. q :

6. r :

b
7. a = q

b+r
8. y :

9. GCD(b;r;y)

GCD(b;r+q

b;y)

By:	BackThru Thm* a,b,y,k:. GCD(a;b;y) GCD(a;b+ka;y)

Generated subgoals:

None

About:

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