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+ "windows_i686_gnu",
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+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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diff --git a/pkgs/applications/science/logic/egglog/default.nix b/pkgs/applications/science/logic/egglog/default.nix
new file mode 100644
index 000000000000..c05ea10db2bb
--- /dev/null
+++ b/pkgs/applications/science/logic/egglog/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+}:
+
+rustPlatform.buildRustPackage {
+  pname = "egglog";
+  version = "unstable-2023-05-22";
+
+  src = fetchFromGitHub {
+    owner = "egraphs-good";
+    repo = "egglog";
+    rev = "5242b50051c339d55009860d4dff80125fdcedfd";
+    hash = "sha256-N04CfITLEr4D4s6bUi0eRQdAVy6Ztq3Ml0365of7i0U=";
+  };
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "symbol_table-0.2.0" = "sha256-f9UclMOUig+N5L3ibBXou0pJ4S/CQqtaji7tnebVbis=";
+      "symbolic_expressions-5.0.3" = "sha256-mSxnhveAItlTktQC4hM8o6TYjgtCUgkdZj7i6MR4Oeo=";
+    };
+  };
+
+  meta = with lib; {
+    description = "A fixpoint reasoning system that unifies Datalog and equality saturation";
+    homepage = "https://github.com/egraphs-good/egglog";
+    license = licenses.mit;
+    maintainers = with maintainers; [ figsoda ];
+    mainProgram = "egg-smol";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 01aa8b59017b..7c7ad7578f5d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4781,6 +4781,8 @@ with pkgs;
 
   eggdrop = callPackage ../tools/networking/eggdrop { };
 
+  egglog = callPackage ../applications/science/logic/egglog { };
+
   ekam = callPackage ../development/tools/build-managers/ekam { };
 
   eksctl = callPackage ../tools/admin/eksctl { };