Initial commit

.github/workflows/create-release.yml

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+name: Create Release
+
+on:
+  push:
+    branches:
+      - 'main'
+      - 'master'
+    paths:
+      - 'lean-toolchain'
+
+jobs:
+  lean-release-tag:
+    name: Add Lean release tag
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+    - name: lean-release-tag action
+      uses: leanprover-community/lean-release-tag@v1
+      with:
+        do-release: true
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/lean_action_ci.yml

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+name: Lean Action CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read # Read access to repository contents
+  pages: write # Write access to GitHub Pages
+  id-token: write # Write access to ID tokens
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v7
+      - uses: leanprover/lean-action@v1
+      - uses: leanprover-community/docgen-action@v1

.github/workflows/update.yml

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+name: Update Dependencies
+
+on:
+  # schedule:             # Sets a schedule to trigger the workflow
+  #   - cron: "0 8 * * *" # Every day at 08:00 AM UTC (see https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#schedule)
+  workflow_dispatch:    # Allows the workflow to be triggered manually via the GitHub interface
+
+jobs:
+  check-for-updates: # Determines which updates to apply.
+    runs-on: ubuntu-latest
+    outputs:
+      is-update-available: ${{ steps.check-for-updates.outputs.is-update-available }}
+      new-tags: ${{ steps.check-for-updates.outputs.new-tags }}
+    steps:
+      - name: Run the action
+        id: check-for-updates
+        uses: leanprover-community/mathlib-update-action@v1
+        # START CONFIGURATION BLOCK 1
+        # END CONFIGURATION BLOCK 1
+  do-update: # Runs the upgrade, tests it, and makes a PR/issue/commit.
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write      # Grants permission to push changes to the repository
+      issues: write        # Grants permission to create or update issues
+      pull-requests: write # Grants permission to create or update pull requests
+    needs: check-for-updates
+    if: ${{ needs.check-for-updates.outputs.is-update-available == 'true' }}
+    strategy: # Runs for each update discovered by the `check-for-updates` job.
+      max-parallel: 1 # Ensures that the PRs/issues are created in order.
+      matrix:
+        tag: ${{ fromJSON(needs.check-for-updates.outputs.new-tags) }}
+    steps:
+      - name: Run the action
+        id: update-the-repo
+        uses: leanprover-community/mathlib-update-action/do-update@v1
+        with:
+          tag: ${{ matrix.tag }}
+          # START CONFIGURATION BLOCK 2
+          on_update_succeeds: pr # Create a pull request if the update succeeds
+          on_update_fails: issue # Create an issue if the update fails
+          # END CONFIGURATION BLOCK 2

.gitignore

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+/.lake

Curso2026.lean

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+import Curso2026.Basic

Curso2026/Basic.lean

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+def hello := "world"

README.md

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+# curso2026
+
+## GitHub configuration
+
+To set up your new GitHub repository, follow these steps:
+
+* Under your repository name, click **Settings**.
+* In the **Actions** section of the sidebar, click "General".
+* Check the box **Allow GitHub Actions to create and approve pull requests**.
+* Click the **Pages** section of the settings sidebar.
+* In the **Source** dropdown menu, select "GitHub Actions".
+
+After following the steps above, you can remove this section from the README file.

lake-manifest.json

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+{"version": "1.3.0",
+ "packagesDir": ".lake/packages",
+ "packages":
+ [{"url": "https://github.com/leanprover-community/mathlib4",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "625d8914199bc567cca9b91f90e8e5afafa5ae51",
+   "name": "mathlib",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "v4.36.0-rc1",
+   "inherited": false,
+   "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/plausible",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "c2d7840c65673533e15b499f25beecdc6227f7d8",
+   "name": "plausible",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/LeanSearchClient",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "9d39f9bb0c30aa2f6200808805ff16e6ce950890",
+   "name": "LeanSearchClient",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/import-graph",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "b3cc36c295aa5e3e3c0197b09a6556298e710447",
+   "name": "importGraph",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/ProofWidgets4",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "17137fad38a2cc782ff00b323a13c3a991d085ab",
+   "name": "proofwidgets",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/aesop",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "cbdde3aa2665915fb286c48bcd4cdf885c629511",
+   "name": "aesop",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "master",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/quote4",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "6d26f8bb4b2bb78f929ad160feac508866821316",
+   "name": "Qq",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "master",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/batteries",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover-community",
+   "rev": "4453b52d2468f4c346a8711d728c0742e7483c9b",
+   "name": "batteries",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover/lean4-cli",
+   "type": "git",
+   "subDir": null,
+   "scope": "leanprover",
+   "rev": "34d2efffcb6dc8d5f3537cf6a7f88bfaa999ec49",
+   "name": "Cli",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "v4.36.0-rc1",
+   "inherited": true,
+   "configFile": "lakefile.toml"}],
+ "name": "curso2026",
+ "lakeDir": ".lake",
+ "fixedToolchain": false}

lakefile.toml

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+name = "curso2026"
+version = "0.1.0"
+keywords = ["math"]
+defaultTargets = ["Curso2026"]
+
+[leanOptions]
+pp.unicode.fun = true # pretty-prints `fun a ↦ b`
+relaxedAutoImplicit = false
+weak.linter.mathlibStandardSet = true
+maxSynthPendingDepth = 3
+
+[[require]]
+name = "mathlib"
+scope = "leanprover-community"
+rev = "v4.36.0-rc1"
+
+[[lean_lib]]
+name = "Curso2026"

lean-toolchain

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+leanprover/lean4:v4.36.0-rc1