Nuprl Basics - Proof: sfa doc factorial2 wf

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At: sfa doc factorial2 wf

x:{x:

| (x rem 2) = 0 }. x!

By:	x:. x! (given (x rem 2) = 0) Asserted

Generated subgoals:

1   x:. x!  (given (x rem 2) = 0)
18 steps

2 1. x:. x!  (given (x rem 2) = 0)
  x:{x:| (x rem 2) = 0 }. x!
3 steps

About:

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

1	x:. x! (given (x rem 2) = 0)	18 steps
2	1. x:. x! (given (x rem 2) = 0) x:{x:\| (x rem 2) = 0 }. x!	3 steps