Nuprl - Proof: eq rat trans 1 1 1 1 1 1 1 2 1

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At: eq rat trans 1 1 1 1 1 1 1 2 1

1. x1 :

2. x2 :

3. y1 :

4. y2 :

5. z1 :

6. z2 :

7. x1

y2 = y1

x2
8. y1

z2 = z1

y2
9. x1

z2 = y1

y2
10.

y1 = 0

By:	BackThru Thm* a,b:. a 0 b 0 ab 0

Generated subgoals:

None

About:

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