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Linglib.Core.WALS.Features.F10B

WALS Feature 10B: Nasal Vowels in West Africa #

@cite{wals-2013}

Auto-generated from WALS v2020.4 CLDF data. Do not edit by hand — regenerate with python3 scripts/gen_wals.py 10B.

Chapter 10, 40 languages.

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inductive Core.WALS.F10B.NasalVowelsInWestAfrica :
Type

WALS 10B values.

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    instance Core.WALS.F10B.instDecidableEqNasalVowelsInWestAfrica :
    DecidableEq NasalVowelsInWestAfrica
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    def Core.WALS.F10B.instBEqNasalVowelsInWestAfrica.beq :
    NasalVowelsInWestAfrica → NasalVowelsInWestAfrica → Bool
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      instance Core.WALS.F10B.instBEqNasalVowelsInWestAfrica :
      BEq NasalVowelsInWestAfrica
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      instance Core.WALS.F10B.instReprNasalVowelsInWestAfrica :
      Repr NasalVowelsInWestAfrica
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      def Core.WALS.F10B.instReprNasalVowelsInWestAfrica.repr :
      NasalVowelsInWestAfrica → Nat → Std.Format
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        def Core.WALS.F10B.allData :
        List (Datapoint NasalVowelsInWestAfrica)

        Complete WALS 10B dataset (40 languages).

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          theorem Core.WALS.F10B.total_count :
          allData.length = 40
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          theorem Core.WALS.F10B.count_noNasalVsOralVowelContrast :
          (List.filter (fun (x : Datapoint NasalVowelsInWestAfrica) => x.value == NasalVowelsInWestAfrica.noNasalVsOralVowelContrast) allData).length = 20
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          theorem Core.WALS.F10B.count_twoWayNasalVsOralVowelContrastWithoutNasalSpreading :
          (List.filter (fun (x : Datapoint NasalVowelsInWestAfrica) => x.value == NasalVowelsInWestAfrica.twoWayNasalVsOralVowelContrastWithoutNasalSpreading) allData).length = 7
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          theorem Core.WALS.F10B.count_twoWayNasalVsOralVowelContrastWithNasalSpreading :
          (List.filter (fun (x : Datapoint NasalVowelsInWestAfrica) => x.value == NasalVowelsInWestAfrica.twoWayNasalVsOralVowelContrastWithNasalSpreading) allData).length = 4
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          theorem Core.WALS.F10B.count_fourWayNasalVsOralVowelContrastWithoutNasalSpreading :
          (List.filter (fun (x : Datapoint NasalVowelsInWestAfrica) => x.value == NasalVowelsInWestAfrica.fourWayNasalVsOralVowelContrastWithoutNasalSpreading) allData).length = 5
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          theorem Core.WALS.F10B.count_fourWayNasalVsOralVowelContrastWithNasalSpreading :
          (List.filter (fun (x : Datapoint NasalVowelsInWestAfrica) => x.value == NasalVowelsInWestAfrica.fourWayNasalVsOralVowelContrastWithNasalSpreading) allData).length = 4
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          def Core.WALS.F10B.lookup (code : String) :
          Option (Datapoint NasalVowelsInWestAfrica)

          Look up a language by WALS code.

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            def Core.WALS.F10B.lookupISO (iso : String) :
            Option (Datapoint NasalVowelsInWestAfrica)

            Look up a language by ISO 639-3 code.

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