Entity: Rock

Module: Rock_Paper_Scissors
Triadic Position: Firstness
ID: rock

1. Triadic Definition#

Rock occupies the First position in the RPS triad. In Peircean semiotics, Firstness is the mode of being that is what it is regardless of anything else — pure quality, immediacy, potentiality. Rock embodies this as brute, undifferentiated solidity: it does not reference another entity to be what it is. It simply is.

1.1 Positional Semantics#

Dimension	Value
Peirce Mode	Firstness
Quality	Solidity, density, resistance, inertness
Modality	Actuality without relation
Sign-type	Qualisign (quality as sign)
Phenomenology	Brute presence; pre-relational; self-contained

1.2 Formal Triadic Slot#

Triadic(Rock) = <First=Rock, Second=∅, Third=∅>
  → Rock as pure object, prior to relation
  → Affordance for dominance: over Scissors (crushes)
  → Vulnerability to mediation: by Paper (covered)

2. Relational Profile#

Relation	Partner	Outcome	Sign Value	Mechanism
Dominates	Scissors	Win	`+1`	Crush (force > edge)
Dominated by	Paper	Loss	`-1`	Cover (context wraps force)
Symmetric	Rock	Draw	`0`	Equal resistance

3. Agentic Properties#

agent_choice:
  entity: rock
  risk_against: paper
  reward_against: scissors
  nash_weight: 0.333
  heuristic_bias:
    - loss_aversion: choose rock after Scissors loss (Firstness reset)
    - anchoring: rock is default/safe mental anchor for many players

Nash equilibrium weight: 1/3
Empirical novice frequency: ~35.4% — most commonly chosen throw
Exploitation signal: opponent choosing Rock-heavy → up-weight Paper

4. Triadic Encoding#

{
  "id": "rock",
  "label": "Rock",
  "triadic_position": "Firstness",
  "peirce_sign_type": "Qualisign",
  "beats": ["scissors"],
  "beaten_by": ["paper"],
  "draws": ["rock"],
  "outcome_vector": { "vs_rock": 0, "vs_paper": -1, "vs_scissors": 1 },
  "qualitative_descriptors": ["solid", "inert", "immediate", "dense", "resistant"],
  "agentic_weight_nash": 0.333
}

5. Cross-References#

entities/Paper.md — entity that dominates Rock
entities/Scissors.md — entity dominated by Rock
relations/dominance.md · relations/outcomes.md · agentic/agent_protocol.md