At which one of Piaget's stages will you first see the following behaviour: Lorne can correctly answer the question, "If all flegs are blats, and if all blats are dulms, are all flegs also dulms?"

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Quizplus · Accepted Answer

This type of logical reasoning and understanding of transitive inference ("If A=B and B=C, then A=C") typically emerges during the Formal Operational stage of Piaget's theory of cognitive development, which begins around age 12 and continues into adulthood.

At Which One of Piaget's Stages Will You First See