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Proof step 7 from proof reachless-edge (previous step)

∃ m. m < n0 ∧ reach(source, a, m), b ∈ succ(a) ⊦ succ(a) = ∅, # succ(a) = 0, ∃ m. ¬ n0 < m ∧ reach(source, b, m)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
b ∈ succ(a), reach(source, a, m), m < n0 ⊦ # succ(a) = 0, succ(a) = ∅, ∃ m. ¬ n0 < m ∧ reach(source, b, m)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ m < n → n ≠ 0], [CSIMPFORWARD : ⊦ m < n → n ≠ 0])]]