is this definition of the natural log VALID?

Oof. Sorry, Eraser and Chalkboard were up all night watching Game of Thrones. You know, it's amazing what you can talk those two into watching. Like this one time when I got them to watch a cartoon about Giraffes as Firefighters. How absurd right? Like, how would their necks even fit in the firetruck? anyway, watch the video until the end to avoid Chalk finding you and doing the unspeakable. (Chalk told me to say that, I actually think you're all great...and oh crud he's coming back....anyway...watch and stay safe!) oh hi there Chalk nice to;ladjfa' fasof;
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Видео is this definition of the natural log VALID? канала Michael Penn