What distinguishes the two occurrences of “fa-dhakkir” across the surahs?

Supplementary Practice 28 — Comparative Rhetoric of Sūrat al-Aʿlā and Sūrat al-Ghāshiyah

• The same condition explicitly follows both commands
• Al-Aʿlā only has restriction and al-Ghāshiyah only a condition
• Because both are imperatives, context has no effect
• Benefit of reminder in al-Aʿlā; limit of the messenger’s role in al-Ghāshiyah