(15steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
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At: decidable vs unique nsub2 1 1 1
1. P : Prop
2. P
  !i:2. if i=0 P else P fi
By: Witness: 0

Generated subgoal:

1   0 is the i:2. if i=0 P else P fi
3 steps

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

(15steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc