Date:15-jan
Definition
Let
be a partion of A tag of is a function 
Let
a tag set The of . . is 
The good:
Hope:
Definition
we say 
Theorem
Let
then also in this case 
"
set 
by taking inf and sup for a fixed 
Theorem
Let
then 
Let 
Date:15-jan
Definition
Let
be a partion of A tag of is a function 
Let
a tag set The of . . is 
The good:
Hope:
Definition
we say 
Theorem
Let
then also in this case 
"
set 
by taking inf and sup for a fixed 
Theorem
Let
then 
Let