الْحَسَنُ بْنُ قاسِمٍ الْمُرادِيّ

The inclusion of كَأَنَّ as one of the sisters of إِنَّ raises the question of why other combinations like لِأَنَّ or بِأَنَّ are not explicitly listed. This discrepancy points to a complex and relatively unexplored matter in Arabic grammar.