new planet Slope#151
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WenrongZou wants to merge 6 commits into
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WenrongZou
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Jul 17, 2026
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This planet introduce
slopeof function and prove someHasDerivAts usingslope. This is a prerequisite planet for "smooth take-off".Tendsto) → L05 (limit of a continuous function) → L06–L07 (order relations betweennhdsWithinfilters) → L08 (ε-δ) → L09 (Tendsto.mono_left) → L10 (uniqueness of limits) → L11 (HasDerivAtofx²) → L12 (boss:|x|is not differentiable).