Mathlib Map

Theorems · Theorem · logic and foundations

Set.mem_of_mem_of_subset

∀ {α : Type u} {x : α} {s t : Set α}, x ∈ s → s ⊆ t → x ∈ t
Defined in
Mathlib.Data.Set.Basic
Cited by
36 results in Mathlib
Foundations
Depth 6 from the axioms · uses no axioms

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites1

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

  • Setstatement and proof · cited by 53,352

Cited by36

Results whose statement or proof uses this declaration.