| path∃(str, r0, r2, st), path∃(str, r, r1, st), disjoint(str, r ' + r0 ', st), disjoint(str, r1 ' + r0 ', st), disjoint(str, r0 ' + r1 ', st) ∧ r0 ≠ r1 → disjoint(str, r2 ' + r1 ', st) ⊦ r = r0, disjoint(str, r2 ' + r1 ', st) |
path∃(str, r0, r2, st), path∃(str, r, r1, st), disjoint(str, r ' + r0 ', st), disjoint(str, r1 ' + r0 ', st) ⊦ r = r0, disjoint(str, r2 ' + r1 ', st), disjoint(str, r0 ' + r1 ', st) ∧ r0 ≠ r1
[[CONCRETESIMPRULES : ()]]