Extensive Form.
Extensive Form is a strategic-interaction primitive: the game shape Planisphere can detect inside an AI tool deployment's behaviour.
Promise. strategy
Extensive Form is a strategic-interaction primitive: the game shape Planisphere can detect inside an AI tool deployment's behaviour.
Answers: How does Planisphere recognise a Extensive Form pattern in an AI tool deployment?
What this is.
Use. game tree · sequential moves.
Source. root + branches + brass optimal path.
Register. 05 · Game theory — one of the 17 registers of the PLANiSPHERE corpus library.
See it work.
Planisphere measures your tool deployment against Extensive Form and seals the result into a signed, Merkle-rooted evidence record. The grade recomputes on your own hardware; the model state never crosses the boundary.
The board that carries this.
Extensive Form is a reference mark in the Game theory register. Read the related buyer-facing product context at /evidence.
Auction reg 05 · mechanism · bid clearing Coalition reg 05 · winning subset · Shapley value Cooperative reg 05 · surplus sharing · core solution Minimax reg 05 · saddle point · worst-case boundRoutes here from.
Any internal link in the Planisphere site that names "Extensive Form" canonicalises here.
Sibling marks. Game theory
See the record Extensive Form asks for.
The console shows the evidence; the docs show the endpoints; the briefing shows what the product does and does not claim.