Nuprl - Proof: nat prime div each factor 1 1 1

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At: nat prime div each factor 1 1 1

1. X :

2. prime(X)
3.

. 0<W

W<X

(

. X | t

X | t)
4. a :

5. b :

6. X | a

b
7. x :

8. r :

X
9. a = x

X+r
10. y :

11. s :

X
12. b = y

X+s

r = 0

s = 0

By:	Decide: r = 0 ... THEN Select: 2 ...w

Generated subgoal:

1 13. r = 0
s = 0
11 steps

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