What role does the hearer’s prior belief play in identifying qaṣr al-qalb?

Supplementary Practice 14: Scarcity, Evidential Scope and Rhetorical Precision in Public Communication

• Reversing an established mistaken attribution supports a reversal-restriction reading
• The hearer’s belief is irrelevant to all kinds of restriction
• Inna alone establishes reversal restriction
• Qalb merely names sentence length