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Proof step 3 from proof cyclic-floyd-def (previous step)

∀ n0. reachable-n(H, n0 * n, r0, r0) ⊦ n = 0, reachable-n(H, n, r0, r0)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 1, [extquanttermlist: (1)abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ m0 * 1 = m0], [CSIMPSEQ : ⊦ m0 * m * n = (m0 * m) * n], [CSIMPSEQ : ⊦ m * n = n * m])], [EXTRATERMS : (1)]]