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In page John Searle:

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Searle extended his inquiries into observer-relative phenomena by trying to understand social reality. He begins by arguing that collective intentionality (e.g., "we are going for a walk") is a distinct form of intentionality, not reducible to individual intentionality (e.g., "I am going for a walk with him and I think he thinks he is going for a walk with me and he thinks I think I am going for a walk with him and...")[citation needed]