Question
a.
STNs are used for reasoning about concurrent activities, while Petri nets represent sequential interactions.
b.
STNs have multiple counters to represent concurrent states, while Petri nets always have a single counter.
c.
STNs have places and transitions, while Petri nets have only states and transitions.
d.
STNs allow multiple tokens to be in places, while Petri nets have a single token in each place.
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