Nuprl - Proof: bezout ident n sfa 1 1 2 1 1 1 1 1

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At: bezout ident n sfa 1 1 2 1 1 1 1 1

1. b :

. b<b

(

u,v:

. GCD(b;b;u

b+v

b))
3. a :

b = 0
5. q :

6. r :

b
7. a = q

b+r
8. x :

9. y :

10. GCD(b;r+q

b;x

b+y

u,v:

. GCD(b;r+q

b;u

b+v

(r+q

b))

By:	Last hyp and goal match except in one argument place.

Generated subgoal:

1 u,v:. ub+v(r+qb) = xb+yr
4 steps

About:

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