"obversion" meaning in English

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      "expansion": "Latin obversio (“a turning towards”)",
      "name": "uder"
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  "etymology_text": "Latin obversio (“a turning towards”).",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
      "glosses": [
        "The act of turning toward or downward."
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      "examples": [
        {
          "text": "All men are mortal, so, by obversion, no men are immortal.",
          "type": "example"
        },
        {
          "ref": "1870, Alexander Bain, Logic: Induction",
          "text": "From 'warmth is agreeable' we can affirm, by formal obversion, 'warmth is not disagreeable, and not indifferent.' We cannot affirm, without an examination of the subject matter, 'cold is disagreeable.'",
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        "An immediate inference that denies the opposite of something previously affirmed."
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        "(logic) An immediate inference that denies the opposite of something previously affirmed."
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  "word": "obversion"
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  "etymology_text": "Latin obversio (“a turning towards”).",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "The act of turning toward or downward."
      ],
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          "toward",
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          "downward",
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          "text": "All men are mortal, so, by obversion, no men are immortal.",
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        },
        {
          "ref": "1870, Alexander Bain, Logic: Induction",
          "text": "From 'warmth is agreeable' we can affirm, by formal obversion, 'warmth is not disagreeable, and not indifferent.' We cannot affirm, without an examination of the subject matter, 'cold is disagreeable.'",
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  "word": "obversion"
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