Nuprl - Proof: divisor of minus 1 1

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At: divisor of minus 1 1

1. a :

2. b :

3. c :

4. b = a

. -b = a

By:	Witness -c

Generated subgoals:

None

About:

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