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<title>aoc-2023, branch feature/day17</title>
<subtitle>Advent of Code 2023 - I'm still learning Lean4, so please don't judge. </subtitle>
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<updated>2025-11-16T20:08:35Z</updated>
<entry>
<title>Lean 4.25</title>
<updated>2025-11-16T20:08:35Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-11-16T20:08:35Z</published>
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</content>
</entry>
<entry>
<title>Lean 4.24</title>
<updated>2025-11-16T17:21:09Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-11-16T17:21:09Z</published>
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<entry>
<title>Lean 4.23</title>
<updated>2025-11-16T13:24:46Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-11-16T13:24:46Z</published>
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<id>urn:sha1:6d10b7594f487bdfbef99d05bda34405dd85c8b8</id>
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</content>
</entry>
<entry>
<title>Lean 4.21</title>
<updated>2025-11-02T16:52:59Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-11-02T16:52:59Z</published>
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<id>urn:sha1:4fbeb023e0b2c58895e8df8d169035e274159537</id>
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</entry>
<entry>
<title>Lean 4.20.1</title>
<updated>2025-10-12T21:44:28Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-10-12T21:44:28Z</published>
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<id>urn:sha1:4379a1b052a7b7843613d5a3217b4bdbe37341fd</id>
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</content>
</entry>
<entry>
<title>Lean 4.19</title>
<updated>2025-10-12T16:44:32Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-10-12T16:44:32Z</published>
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</content>
</entry>
<entry>
<title>Lean 4.18</title>
<updated>2025-10-09T22:30:19Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-10-09T22:30:19Z</published>
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<id>urn:sha1:2a9261d1ba962deff9fcc1784be44563af513af5</id>
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</content>
</entry>
<entry>
<title>Lean 4.17</title>
<updated>2025-04-13T18:43:15Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-04-13T18:43:15Z</published>
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<id>urn:sha1:671ccf18e506398fd8eb65ebac92ec6d2fd03ccd</id>
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</entry>
<entry>
<title>Lean 4.16</title>
<updated>2025-04-13T11:22:53Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-04-13T11:22:53Z</published>
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<id>urn:sha1:8dbe99432db14b5f73585b9e34ecff6e61e76ca8</id>
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</content>
</entry>
<entry>
<title>Lean 4.15</title>
<updated>2025-01-07T22:32:53Z</updated>
<author>
<name>Andreas Grois</name>
<email>andi@grois.info</email>
</author>
<published>2025-01-07T22:32:53Z</published>
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