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[tlaplus] action never enabled
TLA+ newbie here with what is probably a newbie-ish question. I'll describe it abstractly with actions A and B. My spec has the form:
Next == A \/ B
Spec == Init /\ Next_<<vars>>
When I run TLC I get a warning "B is never enabled". If I change the ordering in Next to:
Next == B \/ A
I get the warning "A is never enabled." Am I missing something obvious about disjunction?
Thanks for any insights in advance!
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