abbrev
definition
def or abbrev
ConfigProp
show as:
view Lean formalization →
formal statement (Lean)
308abbrev ConfigProp := Config → Prop
proof body
Definition body.
309
310/-- **MODAL NECESSITY (□)**: A property is necessary iff it holds in ALL possible futures.
311
312 □p at c ⟺ ∀ y ∈ P(c), p(y)
313
314 In RS, necessity means "forced by cost minimization." -/
used by (15)
-
adjoint_from_cost_monotonic -
Contingent -
CostMonotonic -
Determined -
determined_necessary_for_minimal -
H_adjoint_non_minimal -
possibility_actualization_adjoint -
possibility_actualization_adjoint_hypothesis -
possibility_actualization_adjoint_minimal -
possibility_actualization_adjoint_monotonic -
modal_duality -
modal_K -
modal_T_weak -
Necessary -
Possible