(3steps total) PrintForm Definitions Lemmas int 2 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: int seg well founded down

  i:j:{i...}. WellFnd{u}({i..j};x,y.x>y)

By: Auto
THEN
FwdThru: 
Thm* r:(AAProp), B:Type, f:(BA).
Thm* WellFnd{i}(A;x,y.r(x,y))  WellFnd{i}(B;x,y.r(f(x),f(y)))
on [ WellFnd{u}({i...};x,y.x<y) ]
Using:[B:= {i..j} | f(x):= j+i-x]


Generated subgoals:

1 1. i : 
2. {i...}
  WellFnd{u}({i...};x,y.x<y)

1 step
2 1. i : 
2. j : {i...}
3. WellFnd{u}({i..j};x,y.j+i-x<j+i-y)
  WellFnd{u}({i..j};x,y.x>y)

1 step

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

(3steps total) PrintForm Definitions Lemmas int 2 Sections StandardLIB Doc