Why is coordination appropriate between winter and summer here?

Supplementary Practice 21: Comparative Rhetorical Study of Sūrat Quraysh and al-Māʿūn

• Treat the wāw as an oath particle because both seasons are definite
• Treat the wāw as circumstantial simply because the seasons contrast
• They are two related seasonal aspects of one travel pattern
• Read the two seasons as one because jāmiʿ requires identity