(7steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: exteq sum family singleton vs intseg 1 2 1

1. a : 
2. a' : 
3. a'-a = 1
4. B : {a..a'}Type
5. i : 
6. i = a
7. b : B(a)
  b  B(i)


By: ChangeToEqType-1: B(i)


Generated subgoal:

1   B(a) = B(i)
1 step

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

(7steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc