IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
eval trivial factorization11 1. a :
2. b :
3. j : {a..b}
( i:{a..j}. itrivial_factorization(j)(i))
jtrivial_factorization(j)(j)( i:{j+1..b}. itrivial_factorization(j)(i))
=
j
By:
Inst: Thm*x,y:. x = y trivial_factorization(x)(y) = 1 Using:[j | j]
THEN
Rewrite by Hyp:-1
THEN
Rewrite by Thm*x,y:. xy trivial_factorization(x)(y) = 0