In Kelly's framework, the ability to hold seemingly contradictory beliefs occurs due to:

The ability to hold seemingly contradictory beliefs in Kelly’s framework is best understood through the Fragmentation corollary. This component of Kelly's Personal Construct Theory acknowledges that individuals can possess various and sometimes conflicting constructs simultaneously. It suggests that our personal constructs can be inconsistent or fragmented, allowing us to navigate different contexts and experiences without a coherent sense of belief at every moment.

This fragmentation is essential for adaptability; it enables a person to respond fluidly to varying circumstances, leading to the coexistence of opposing viewpoints or beliefs. Thus, someone might hold two contradictory beliefs about a situation or person, adjusting their perspective as conditions change without feeling the need to reconcile these contradictions into a singular belief system.

The other concepts, such as the Commonality corollary, Modulation corollary, and Permeability, address different aspects of how constructs interact and influence behavior, but they do not specifically account for the coexistence of contradictory beliefs in the same way the Fragmentation corollary does.