Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
has_deriv_at.cos
Modification history
2021-11-02 21:57
src/analysis/special_functions/trigonometric/basic.lean
chore(analysis/special_functions/trigonometric/basic): move results about derivatives to a new file (#10109) …
Modified
has_deriv_at.cos
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2020-04-16 11:10
src/analysis/complex/exponential.lean
feat(analysis/calculus): let simp compute derivatives (#2422) …
Added
has_deriv_at.cos
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