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

Generated subgoal:

1 3. i : 2
4. if i=0 P else P fi
  i = 1  2
1 step

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

(15steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc