RelSeries.eraseLast_last_rel_last

∀ {α : Type u_1} {r : SetRel α α} (p : RelSeries r), p.length ≠ 0 → (p.eraseLast.last, p.last) ∈ r

In a non-trivial series p, the last element of p.eraseLast is related to p.last

Defined in: Mathlib.Order.RelSeries
Cited by: 4 results in Mathlib
Foundations: Depth 51 from the axioms · uses propext, Classical.choice, Quot.sound

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