Shared Agency: A Planning Theory of Acting Together

Shared Agency: A Planning Theory of Acting Together presents philosopher Michael Bratman's framework for understanding how humans engage in shared cooperative activities. The book builds on Bratman's earlier work on planning agency and intention to explain the foundations of acting together. Bratman examines what distinguishes genuine shared activities from mere coordination or parallel action between individuals. He develops a theory centered on shared intention and planning, analyzing how participants must interlock their intentions and plans in specific ways to achieve true shared agency. The text systematically works through potential challenges and objections to the proposed framework, addressing questions about authority, obligation, and the relationship between individual and collective intentions. Bratman draws on examples from everyday life to illustrate his theoretical points. This work makes a fundamental contribution to debates about collective intentionality and the nature of human sociality. The theory has implications for understanding everything from small-scale cooperation to large institutions and social practices.

Readers note the book provides a detailed philosophical framework for understanding joint actions and shared intentions, though many find it repetitive and dense. The main concepts could have been explained more concisely. Liked: - Clear breakdown of planning theory applied to shared agency - Thorough examination of objections and counter-arguments - Strong real-world examples that illustrate concepts Disliked: - Excessive repetition of key points - Complex academic language makes it inaccessible to non-philosophers - Length could have been reduced significantly while preserving core ideas One philosophy graduate student on Goodreads wrote: "Important ideas but could have been a paper rather than a book. Same points made multiple times." Ratings: Goodreads: 4.0/5 (12 ratings) Amazon: 4.5/5 (6 ratings) PhilPapers: Referenced in 89 citations The book receives more attention in academic citations and philosophy journals than general reader reviews due to its specialized focus.

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🤝 Michael Bratman developed his influential "planning theory of intention" over three decades before applying it to shared agency in this groundbreaking 2014 work. 🧠 The book draws heavily on Bratman's research at Stanford University, where he has been teaching philosophy since 1974 and holds the U. G. and Abbie Birch Durfee Professorship in the School of Humanities and Sciences. 📚 While many philosophers focus on formal group entities like corporations or states, Bratman specifically examines small-scale, informal shared activities like painting a house together or taking a walk with a friend. 🔄 The theory presented in the book shows how shared cooperative activity emerges from the interweaving of multiple individual plans, without requiring any mysterious "group mind" or special collective consciousness. 🏆 This work has been highly influential in fields beyond philosophy, including artificial intelligence research, where Bratman's planning theory helps inform how robots and AI systems can better coordinate actions with humans.