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Proof step 8 from proof modnotreachable-reachable (
previous step
)
path(r ' + x, H), (r ' + x).last ∈ H ⊦ reachable(r, r1, H), path(r ' + x, H[r1, ce]) ∧ (r ' + x).last = (r ' + x).last
Heuristic simplifier applied rule simplifier
And obtained the following new goals
Proof step 9
:
path(r ' + x, H), (r ' + x).last ∈ H ⊦ reachable(r, r1, H), path(r ' + x, H[r1, ce])
Rule argument
Additional information