muMLE/examples/petrinet/operational_semantics/r_fire_transition_nac.od

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# A place with no tokens:
p:RAM_PNPlace
ps:RAM_PNPlaceState {
RAM_numTokens = `get_value(this) == 0`;
}
:RAM_pn_of (ps -> p)
# An incoming arc from that place to our transition:
t:RAM_PNTransition
:RAM_pn_arc (p -> t)