def
definition
UniqueSolution
show as:
view math explainer →
open explainer
Read the cached plain-language explainer.
open lean source
IndisputableMonolith.Complexity.SAT.CNF on GitHub at line 45.
browse module
All declarations in this module, on Recognition.
explainer page
depends on
formal source
42 ∃ a : Assignment n, evalCNF a φ = true
43
44/-- Uniquely satisfiable CNF. -/
45def UniqueSolution {n} (φ : CNF n) : Prop :=
46 ∃! (a : Assignment n), evalCNF a φ = true
47
48end SAT
49end Complexity
50end IndisputableMonolith