How do the two opening wāws of al-Ḍuḥā function?

Supplementary Practice 18: Rhetorical Analysis of Sūrat al-Ḍuḥā and Sūrat al-Sharḥ

• The first is an oath wāw; the second joins another object of the same oath
• Both are circumstantial wāws
• The first is resumption, the second an apodosis
• Both change a negative clause into an affirmative