Proof assistants are computer programs for writing and verifying formalized mathematical proofs. What's it like to use one? Explore some Fibonacci sum identities with the browser version of the Lean theorem prover in this @observablehq notebook!https://observablehq.com/@bryangingechen/fibonacci-formalized-1-some-sums …
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Part 2 features some very simple "Lean"-driven graphics and shows formalizations of two counting problems where the Fibonacci numbers appear:https://observablehq.com/@bryangingechen/fibonacci-formalized-2-bees-and-cars …
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These notebooks use some code gluing Lean & CodeMirror to Observable that I hope you'll try using too! The documentation is here:https://observablehq.com/@bryangingechen/hello-lean-prover …
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Now you can connect these notebooks to Lean on your computer using "websocketd":https://observablehq.com/@bryangingechen/lean-websocketd …
11:41 AM - 31 Jul 2019
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