def
definition
def or abbrev
blanketExternalSet
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formal statement (Lean)
47def blanketExternalSet (π : BlanketProjection Ω Internal Blanket External)
48 (b : Blanket) (e : External) : Set Ω :=
proof body
Definition body.
49 {ω | π.blanket ω = b ∧ π.external ω = e}
50
51/-- Blanket event. -/