Halachik Conclusion:
Finish learning the second half of the רא”ש פרק ג ס’ א starting from “ומה שהביא ראה לפסוק כחנניא” (in middle of right coloumn in link below)
https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=351
https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=352
Learn רמב”ם ה’ שבת פרק ג הלכה ד
https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=16
How do we conclude lhalacha?
Learn שולחן ערוך ס’ רנ”ג סע’ א
https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=45
https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=46
https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=47
https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=48
https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=49