New problem done

exercism/fsharp/pangram/Pangram.fs

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+module Pangram
+
+let isPangram (input: string): bool = 
+    let lowerInput = input.ToLower()
+    ['a'..'z'] |> List.filter lowerInput.Contains = ['a'..'z']

exercism/fsharp/pangram/Pangram.fsproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="Pangram.fs" />
+    <Compile Include="PangramTests.fs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2" />
+    <PackageReference Include="FsUnit.xUnit" Version="3.8.1" />
+  </ItemGroup>
+
+</Project>

exercism/fsharp/pangram/PangramTests.fs

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+// This file was auto-generated based on version 2.0.0 of the canonical data.
+
+module PangramTests
+
+open FsUnit.Xunit
+open Xunit
+
+open Pangram
+
+[<Fact>]
+let ``Empty sentence`` () =
+    isPangram "" |> should equal false
+
+[<Fact>]
+let ``Perfect lower case`` () =
+    isPangram "abcdefghijklmnopqrstuvwxyz" |> should equal true
+
+[<Fact>]
+let ``Only lower case`` () =
+    isPangram "the quick brown fox jumps over the lazy dog" |> should equal true
+
+[<Fact>]
+let ``Missing the letter 'x'`` () =
+    isPangram "a quick movement of the enemy will jeopardize five gunboats" |> should equal false
+
+[<Fact>]
+let ``Missing the letter 'h'`` () =
+    isPangram "five boxing wizards jump quickly at it" |> should equal false
+
+[<Fact>]
+let ``With underscores`` () =
+    isPangram "the_quick_brown_fox_jumps_over_the_lazy_dog" |> should equal true
+
+[<Fact>]
+let ``With numbers`` () =
+    isPangram "the 1 quick brown fox jumps over the 2 lazy dogs" |> should equal true
+
+[<Fact>]
+let ``Missing letters replaced by numbers`` () =
+    isPangram "7h3 qu1ck brown fox jumps ov3r 7h3 lazy dog" |> should equal false
+
+[<Fact>]
+let ``Mixed case and punctuation`` () =
+    isPangram "\"Five quacking Zephyrs jolt my wax bed.\"" |> should equal true
+
+[<Fact>]
+let ``Case insensitive`` () =
+    isPangram "the quick brown fox jumps over with lazy FX" |> should equal false
+

exercism/fsharp/pangram/README.md

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+# Pangram
+
+Determine if a sentence is a pangram. A pangram (Greek: παν γράμμα, pan gramma,
+"every letter") is a sentence using every letter of the alphabet at least once.
+The best known English pangram is:
+> The quick brown fox jumps over the lazy dog.
+
+The alphabet used consists of ASCII letters `a` to `z`, inclusive, and is case
+insensitive. Input will not contain non-ASCII symbols.
+
+## Running the tests
+
+To run the tests, run the command `dotnet test` from within the exercise directory.
+
+## Autoformatting the code
+
+F# source code can be formatted with the [Fantomas](https://github.com/fsprojects/fantomas) tool.
+
+After installing it with `dotnet tool restore`, run `dotnet fantomas .` to format code within the current directory.
+
+## Further information
+
+For more detailed information about the F# track, including how to get help if
+you're having trouble, please visit the exercism.io [F# language page](http://exercism.io/languages/fsharp/resources).
+
+## Source
+
+Wikipedia [https://en.wikipedia.org/wiki/Pangram](https://en.wikipedia.org/wiki/Pangram)
+