<div dir="ltr">Hi professor,<div><br></div><div>In the proof of Theorem 1.6 in the note last class, we conclude that <img alt="d[Z,\tilde{W}_i]= -\tilde{W}_iZbdW" title="d[Z,\tilde{W}_i]= -\tilde{W}_iZbdW" class="va_li" src="https://latex.codecogs.com/gif.latex?%5Cdpi%7B300%7D%5Cinline%09d[Z,%5Ctilde{W}%5Fi]=%09-%5Ctilde{W}%5FiZbdW" id="l0.10038097572155391" style="display: inline; vertical-align: -3.667px;" height="19" width="159">. Will you please talk more about this part of proof? When I review the class video, did you used something like <img alt="d[Z,\tilde{W}_i] = [dZ,d\tilde{W}_i]?" title="d[Z,\tilde{W}_i] = [dZ,d\tilde{W}_i]?" class="va_li" src="https://latex.codecogs.com/gif.latex?%5Cdpi%7B300%7D%5Cinline%09d[Z,%5Ctilde{W}%5Fi]%09=%09[dZ,d%5Ctilde{W}%5Fi]?" id="l0.17782800515760133" style="display: inline; vertical-align: -3.667px;" height="19" width="152"></div><div><br></div><div>Thank you!</div></div>