t1 or t2 flow to n. t1 and t2 don’t exist simultaneously.
Relationship between t1 and t2 is “xor”.
t1 or t2 flow out of n. Relationship between t1 and t2 is
“or”.
t1 and t2 flow out of n. Relationship between t1 and t2 is
“and”.
h. t1 or t2 flow out of n. t1 and t2 don’t exist simultaneously.
Relationship between t1 and t2 is “xor”.