(7steps total) PrintForm Definitions IteratedBinops Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: and via all intseg notnull 1 2

1. a : 
2. b : 
3. P : {a..b}Prop
4. a<b
5. c : 
6. b = c+1
7. i:{a..b}. P(i)
  P(c)


By: BackThru: Hyp:-1


Generated subgoals:

None

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

(7steps total) PrintForm Definitions IteratedBinops Sections DiscrMathExt Doc