pith. machine review for the scientific record. sign in
def definition def or abbrev

Possibility

show as:
view Lean formalization →

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

generate prose now

formal statement (Lean)

 230def Possibility (c : Config) : Set Config :=

proof body

Definition body.

 231  {y : Config |
 232    -- Within one octave step
 233    y.time = c.time + 8 ∧
 234    -- Cost-respecting (change doesn't increase total cost)
 235    J c.value + J_transition c.value y.value c.pos y.pos + J y.value ≤
 236      J c.value + J_stasis c.value
 237  }
 238
 239/-- The identity is always possible from any configuration.
 240
 241    The boundedness constraint is now part of the Config structure,
 242    ensuring all physical configurations can reach identity in one step. -/

used by (31)

From the project-wide theorem graph. These declarations reference this one in their body.

… and 1 more

depends on (37)

Lean names referenced from this declaration's body.

… and 7 more