?prevdifflink? - Blame
module name
sig Name {}
sig A {
a : lone Name,
a1 : set Name
}
sig B {
b : set Name
}
sig N in Name {}
fact {
N in A.a
N in B.b
A in a.Name
B in b.Name
Name in A.a + B.b
--a1 in a.Name -> A.a
a1 in a
}
Generated by GNU Enscript 1.6.5.90.
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