The square root of two is irrational #1718
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Completes #1697. |
Co-authored-by: Fredrik Bakke <fredrbak@gmail.com>
src/elementary-number-theory/irrationality-square-root-of-two.lagda.md
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src/elementary-number-theory/two-is-not-any-rational-squared.lagda.md
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src/elementary-number-theory/irrationality-square-root-of-two.lagda.md
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src/elementary-number-theory/unsolvability-of-squaring-to-two-in-rational-numbers.lagda.md
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…lagda.md Co-authored-by: Fredrik Bakke <fredrbak@gmail.com>
…lagda.md Co-authored-by: Fredrik Bakke <fredrbak@gmail.com>
src/elementary-number-theory/two-is-not-any-rational-squared.lagda.md
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fredrik-bakke
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Nov 17, 2025
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everything is good except regarding the name and title of that one file
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Alright, I'm merging this now. We may revise the naming scheme at a later point anyways. Thanks so much again for ticking off yet another box on the list :) |
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We prove both the elementary version (two is not the square of any rational number) and the real version (the square root of two is not a rational real number).