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Salomone-Sehr’s Minimalist Account
I. Desiderata
1. It must distinguish joint action from mere multi-agent causation.
2. It must account for the ‘common practical orientation’ that unifies the constituent actions.
3. It must ensure this orientation is followed non-coincidentally.

Salomone-Sehr’s Minimalist Account
II. Nec. and Suffic. Conditions
1. Each person’s activities conform to a common plan.
2. This ‘common plan figures in an explanation of our joint conformity to it’.
(Salomone-Sehr, 2024)


Salomone-Sehr’s Minimalist Account
II. Nec. and Suffic. Conditions
1. Each person’s activities conform to a common plan.
2. This ‘common plan figures in an explanation of our joint conformity to it’.
(Salomone-Sehr, 2024)

Salomone-Sehr’s Minimalist Account
II. Nec. and Suffic. Conditions
1. Each person’s activities conform to a common plan.
2. This ‘common plan figures in an explanation of our joint conformity to it’.
(Salomone-Sehr, 2024)
The Surgical Team (Paradigm Case)
A surgical team performs a complex heart operation following a surgical plan ...
The Hiring Pipeline (Contrast Case)
plan: cultural fit initiative
stage 1: HR officer screens for ‘cultural similarity’ to ensure smooth integration
stage 2: hiring manager gets screened candidates, applies interview rubric to measure fit.
✔ common orientation
✘ common orientation
1. conform to a common plan
2. the plan explains joint conformity

"adequate theories of shared agency must account for the fact that if [something] is a shared activity, then there must be some common practical orientation"
"this analysis captures the fact that constituent individual activities of a shared activity follow a common practical orientation."
Question
What distinguishes joint actions from parallel but merely individual actions?
Salomone-Sehr’s Minimalist Account ✘
Joint actions are actions with two or more agents ✘
Joint actions are events with two or more agents ✘
short essay question:
Why, if at all, do we need a theory of shared intention?
(Will be a while before this question makes sense.)
plan d’attaque
premise: Shared intention can only be understood as the solution to a problem.
1. What is the Problem of Joint Action? ✓
2. Can we solve the Problem without shared intention? ✓
3. If we do need shared intention, what is the best account available? ✓
short essay question:
Why, if at all, do we need a theory of shared intention?
possible argument
1. The Problem of Joint Action is a genuine problem.
2. We need a theory of shared intention only if the Problem cannot be solved without one.
!
My reconstruction: if the account is correct, we do not need shared intention.
What Salomone-Sehr (2024) actually says: there is a counterexample to the claim that joint action requires shared intention (given before the account).