Which pairing accurately distinguishes the two methods?

Argument Without New Proof: Absence of a Cause and Presumption of Continuity

• Absent cause: no cause matters; istishab: creates every new right
• Absent cause: must be mutawatir; istishab: stronger than all texts
• Absent cause: exclusivity required; istishab: defensive but not sufficient for new claims
• Absent cause: always imposition; istishab: only for new contracts