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Theorem real.has_strict_deriv_at_arctan

Modification history

2021-11-15 17:27
src/analysis/special_functions/trigonometric/arctan.lean
chore(analysis/special_functions/trigonometric/arctan): put lemmas about derivatives into a new file (#10157)
Modified real.has_strict_deriv_at_arctanView on Github →
2021-09-27 04:20
src/analysis/special_functions/trigonometric/arctan.lean
refactor(analysis/special_functions/trigonometric): split file (#9340) …
Modified real.has_strict_deriv_at_arctanView on Github →
2021-02-14 16:06
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions): strict differentiability of some functions (#6228)
Added real.has_strict_deriv_at_arctanView on Github →