<s>
Uncertainty	B-General_Concept
theory	I-General_Concept
is	O
a	O
branch	O
of	O
mathematics	O
based	O
on	O
normality	O
,	O
monotonicity	O
,	O
self-duality	O
,	O
countable	O
subadditivity	O
,	O
and	O
product	O
measure	O
axioms	O
.	O
</s>
