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Linglib.Core.WALS.Features.F67A

WALS Feature 67A: The Future Tense #

@cite{dahl-2013}

Auto-generated from WALS v2020.4 CLDF data. Do not edit by hand — regenerate with python3 scripts/gen_wals.py 67A.

Chapter 67, 222 languages.

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inductive Core.WALS.F67A.FutureTenseType :
Type

WALS 67A values.

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    instance Core.WALS.F67A.instDecidableEqFutureTenseType :
    DecidableEq FutureTenseType
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    instance Core.WALS.F67A.instBEqFutureTenseType :
    BEq FutureTenseType
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    def Core.WALS.F67A.instBEqFutureTenseType.beq :
    FutureTenseType → FutureTenseType → Bool
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      instance Core.WALS.F67A.instReprFutureTenseType :
      Repr FutureTenseType
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      def Core.WALS.F67A.instReprFutureTenseType.repr :
      FutureTenseType → Nat → Std.Format
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        def Core.WALS.F67A.allData :
        List (Datapoint FutureTenseType)

        Complete WALS 67A dataset (222 languages).

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          theorem Core.WALS.F67A.total_count :
          allData.length = 222
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          theorem Core.WALS.F67A.count_inflectionalFutureExists :
          (List.filter (fun (x : Datapoint FutureTenseType) => x.value == FutureTenseType.inflectionalFutureExists) allData).length = 110
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          theorem Core.WALS.F67A.count_noInflectionalFuture :
          (List.filter (fun (x : Datapoint FutureTenseType) => x.value == FutureTenseType.noInflectionalFuture) allData).length = 112
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          def Core.WALS.F67A.lookup (code : String) :
          Option (Datapoint FutureTenseType)

          Look up a language by WALS code.

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            def Core.WALS.F67A.lookupISO (iso : String) :
            Option (Datapoint FutureTenseType)

            Look up a language by ISO 639-3 code.

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