refactor(analysis/calculus/deriv): Use equality of functions #1818
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jcommelin
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Dec 21, 2019
sgouezel
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Dec 24, 2019
This way we can rewrite, e.g., in `deriv (deriv sin)`.
Co-Authored-By: Johan Commelin <johan@commelin.net>
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…ver-community#1818) * refactor(analysis/calculus/deriv): Use equality of functions This way we can rewrite, e.g., in `deriv (deriv sin)`. * Restore some old lemmas * Restore old `deriv_cos`, fix `deriv_id'` * Update src/analysis/calculus/deriv.lean Co-Authored-By: Johan Commelin <johan@commelin.net> * Fix compile Co-authored-by: Johan Commelin <johan@commelin.net> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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…ver-community#1818) * refactor(analysis/calculus/deriv): Use equality of functions This way we can rewrite, e.g., in `deriv (deriv sin)`. * Restore some old lemmas * Restore old `deriv_cos`, fix `deriv_id'` * Update src/analysis/calculus/deriv.lean Co-Authored-By: Johan Commelin <johan@commelin.net> * Fix compile Co-authored-by: Johan Commelin <johan@commelin.net> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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This way we can rewrite, e.g., in
deriv (deriv sin).TO CONTRIBUTORS:
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