(7steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: sum exponent 1 2 2

1. i : 
2. x,y:xy  ixiy = i(x+y)
3. x : 
4. y : 
5. xy
  ixiy = i(x+y)


By: Inst: Hyp:2 Using:[y | x]


Generated subgoals:

None

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

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