"LEM" meaning in English

{
  "categories": [
    {
      "_dis": "0 0",
      "kind": "other",
      "langcode": "en",
      "name": "Spacecraft",
      "orig": "en:Spacecraft",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "forms": [
    {
      "form": "LEMs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "LEM (plural LEMs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Space",
          "orig": "en:Space",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "coordinate_terms": [
        {
          "word": "SM"
        },
        {
          "word": "CM"
        },
        {
          "word": "OM"
        }
      ],
      "derived": [
        {
          "_dis1": "100 0",
          "sense": "Lunar Module",
          "word": "LEM lifeboat"
        }
      ],
      "glosses": [
        "Originally Lunar Excursion Module, latterly Lunar Module."
      ],
      "id": "en-LEM-en-noun-3gRfkE73",
      "links": [
        [
          "space science",
          "space science"
        ]
      ],
      "raw_glosses": [
        "(US, space science) Originally Lunar Excursion Module, latterly Lunar Module."
      ],
      "synonyms": [
        {
          "word": "LM"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "space-science"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Logic",
          "orig": "en:Logic",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              589,
              592
            ],
            [
              697,
              700
            ]
          ],
          "ref": "2005, Andrej Bauer, Mathematics and Computation: The Law of Excluded Middle:",
          "text": "What constructive mathematicians know is that there are mathematical universes in which sets are like topological spaces and properties are like open sets. In fact, these universes are well-known to classical mathematicians (they are called toposes), but they look at them from “the outside”. When we consider what mathematicians who live in such a universe see, we discover many fascinating kinds of mathematics, which tend to be constructive. The universe of classical mathematics is special because in it all sets are like discrete topological spaces. In fact, one way of understanding LEM is “all spaces/sets are discrete”. Is this really such a smart thing to assume? If for no other reason, LEM should be abandoned because it is quite customary to consider “continuous” and “discrete” domains in applications in computer science and physics. So what gives mathematicians the idea that all domains are discrete?",
          "type": "quote"
        }
      ],
      "glosses": [
        "Law of excluded middle."
      ],
      "id": "en-LEM-en-noun-dClYEzST",
      "links": [
        [
          "logic",
          "logic"
        ],
        [
          "Law of excluded middle",
          "law of excluded middle#English"
        ]
      ],
      "raw_glosses": [
        "(logic) Law of excluded middle."
      ],
      "topics": [
        "human-sciences",
        "logic",
        "mathematics",
        "philosophy",
        "sciences"
      ]
    }
  ],
  "word": "LEM"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Spacecraft"
  ],
  "derived": [
    {
      "sense": "Lunar Module",
      "word": "LEM lifeboat"
    }
  ],
  "forms": [
    {
      "form": "LEMs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "LEM (plural LEMs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "en:Space"
      ],
      "coordinate_terms": [
        {
          "word": "SM"
        },
        {
          "word": "CM"
        },
        {
          "word": "OM"
        }
      ],
      "glosses": [
        "Originally Lunar Excursion Module, latterly Lunar Module."
      ],
      "links": [
        [
          "space science",
          "space science"
        ]
      ],
      "raw_glosses": [
        "(US, space science) Originally Lunar Excursion Module, latterly Lunar Module."
      ],
      "synonyms": [
        {
          "word": "LM"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "space-science"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Logic"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              589,
              592
            ],
            [
              697,
              700
            ]
          ],
          "ref": "2005, Andrej Bauer, Mathematics and Computation: The Law of Excluded Middle:",
          "text": "What constructive mathematicians know is that there are mathematical universes in which sets are like topological spaces and properties are like open sets. In fact, these universes are well-known to classical mathematicians (they are called toposes), but they look at them from “the outside”. When we consider what mathematicians who live in such a universe see, we discover many fascinating kinds of mathematics, which tend to be constructive. The universe of classical mathematics is special because in it all sets are like discrete topological spaces. In fact, one way of understanding LEM is “all spaces/sets are discrete”. Is this really such a smart thing to assume? If for no other reason, LEM should be abandoned because it is quite customary to consider “continuous” and “discrete” domains in applications in computer science and physics. So what gives mathematicians the idea that all domains are discrete?",
          "type": "quote"
        }
      ],
      "glosses": [
        "Law of excluded middle."
      ],
      "links": [
        [
          "logic",
          "logic"
        ],
        [
          "Law of excluded middle",
          "law of excluded middle#English"
        ]
      ],
      "raw_glosses": [
        "(logic) Law of excluded middle."
      ],
      "topics": [
        "human-sciences",
        "logic",
        "mathematics",
        "philosophy",
        "sciences"
      ]
    }
  ],
  "word": "LEM"
}