Theorems · Theorem · combinatorics
Sym.exists_cons_of_mem
∀ {α : Type u_1} {n : ℕ} {s : Sym α (n + 1)} {a : α}, a ∈ s → ∃ t, s = a ::ₛ t- Defined in
- Mathlib.Data.Sym.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 16 from the axioms · uses propext, Quot.sound
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Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Multisetproof · cited by 2,627
- Multiset.cardproof · cited by 375
- Multiset.consproof · cited by 313
- Symstatement and proof · cited by 150
- add_left_injproof · cited by 36
- Sym.consstatement · cited by 26
- Multiset.card_consproof · cited by 19
- Multiset.exists_cons_of_memproof · cited by 15
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