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Theorems · Theorem · general topology

Nat.leRecOn.congr_simp

∀ {C : ℕ → Sort u_1} {n m : ℕ} (a : n ≤ m) (a_1 a_2 : {k : ℕ} → C k → C (k + 1)),
  a_1 = a_2 → ∀ (a_3 a_4 : C n), a_3 = a_4 → Nat.leRecOn a a_1 a_3 = Nat.leRecOn a a_2 a_4
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Mathlib.Topology.MetricSpace.Gluing
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Foundations
Depth 19 from the axioms · uses no axioms

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Nat.leRecOn · cited by 13Nat.leRecOnleRecOn.congr_simpCITED BYCITES

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