Up-set (Principal Filter)

{
  "author": null,
  "context": "Subset Y of poset P such that if x ∈ Y and x ≤ y then y ∈ Y; ordered family U(P) forms a poset.",
  "category": "mathematics|systems",
  "enrichment": {
    "is_stale": true
  },
  "norm_label": "Up-set (Principal Filter)",
  "source_url": null,
  "graphify_id": "up_set",
  "source_file": "2022-04-01_Prabros._lattices-for-CS.pdf_8ecde3.md",
  "imported_from": "/Users/antonborzov/Documents/Research.nosync/papers/extract_typed_out/2022-04-01_Prabros._lattices-for-CS.pdf_8ecde3/graph.json",
  "extracted_type": "concept",
  "source_location": "§3.10",
  "graphify_file_type": "concept"
}